- 首页
- 《专业英语》
课程介绍
目录
{
"id": "780",
"isDefault": "1",
"learnMode": "freeMode",
"isMember": "",
"status": "published",
"currentTaskId": "",
"isHideUnpublish": "0"
}
{
"i18nChapterName": "章",
"i18nUnitName": "节",
"i18nLessonName": "课时",
"i18nTaskName":"任务"
}
[{"itemType":"chapter","number":"1","published_number":0,"title":"Unit 1 Circuit Elements and Parameters","result":"","resultStatus":"","lock":"","status":"published","taskId":"76354","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"1.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76355","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"(\u89c6\u9891) \u7b2c001\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72920","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"1.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76356","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"2","published_number":"2","title":"(\u89c6\u9891) \u7b2c002\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72921","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"1.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u82f1\u6c49\u8bed\u8a00\u4e4b\u5bf9\u6bd4\uff081\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76357","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"3","published_number":"3","title":"(\u89c6\u9891) \u7b2c003\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72922","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"1.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76359","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"4","published_number":"4","title":"(\u89c6\u9891) \u7b2c004\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72923","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"2","published_number":0,"title":"Unit 2 Ideal Sources Series and Parallel Equivalent Circuits","result":"","resultStatus":"","lock":"","status":"published","taskId":"76383","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"2.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76384","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"5","published_number":"5","title":"(\u89c6\u9891) \u7b2c005\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72924","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"2.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76385","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"6","published_number":"6","title":"(\u89c6\u9891) \u7b2c006\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72925","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"2.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u82f1\u6c49\u8bed\u8a00\u4e4b\u5bf9\u6bd4\uff082\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76386","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"7","published_number":"7","title":"(\u89c6\u9891) \u7b2c007\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72926","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:37","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"2.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76387","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"8","published_number":"8","title":"(\u89c6\u9891) \u7b2c008\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72927","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"3","published_number":0,"title":"Unit 3 Analysis of a Single loop Network ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76406","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"3.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76411","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"9","published_number":"9","title":"(\u89c6\u9891) \u7b2c009\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72936","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"3.2 Text","result":"","resultStatus":"","lock":"","status":"published","taskId":"76413","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"10","published_number":"10","title":"(\u89c6\u9891) \u7b2c010\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72957","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"3.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u82f1\u6c49\u7ffb\u8bd1\u7406\u8bba\u6d45\u8bf4","result":"","resultStatus":"","lock":"","status":"published","taskId":"76419","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"11","published_number":"11","title":"(\u89c6\u9891) \u7b2c011\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72958","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"3.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76420","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"12","published_number":"12","title":"(\u89c6\u9891) \u7b2c012\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72959","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"4","published_number":0,"title":"Unit 4 Alternating Current","result":"","resultStatus":"","lock":"","status":"published","taskId":"76437","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"4.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76438","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"13","published_number":"13","title":"(\u89c6\u9891) \u7b2c013\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72960","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"4.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76439","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"14","published_number":"14","title":"(\u89c6\u9891) \u7b2c014\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72961","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"4.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u7ffb\u8bd1\u7684\u57fa\u672c\u65b9\u5f0f\u53ca\u9009\u62e9","result":"","resultStatus":"","lock":"","status":"published","taskId":"76440","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"15","published_number":"15","title":"(\u89c6\u9891) \u7b2c015\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72962","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"4.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76441","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"16","published_number":"16","title":"(\u89c6\u9891) \u7b2c016\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72963","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"5","published_number":0,"title":"Unit 5 Analysis of Sinusoidal Current and Voltage","result":"","resultStatus":"","lock":"","status":"published","taskId":"76446","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"5.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76447","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"17","published_number":"17","title":"(\u89c6\u9891) \u7b2c017\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72964","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:34","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"5.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76448","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"18","published_number":"18","title":"(\u89c6\u9891) \u7b2c018\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72965","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"38:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"5.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u7ffb\u8bd1\u7684\u4e24\u4e2a\u8fc7\u7a0b","result":"","resultStatus":"","lock":"","status":"published","taskId":"76449","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"19","published_number":"19","title":"(\u89c6\u9891) \u7b2c019\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72966","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"38:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"5.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76450","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"20","published_number":"20","title":"(\u89c6\u9891) \u7b2c020\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72967","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"38:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"6","published_number":0,"title":"Unit 6 Zntroductory Semiconductor Theory","result":"","resultStatus":"","lock":"","status":"published","taskId":"76470","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"6.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76502","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"21","published_number":"21","title":"(\u89c6\u9891) \u7b2c021\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72990","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"6.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76503","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"22","published_number":"22","title":"(\u89c6\u9891) \u7b2c022\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72991","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"6.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u79d1\u6280\u82f1\u8bed\u7684\u6587\u4f53\u53ca\u5176\u98ce\u8c8c\u7279\u5f81","result":"","resultStatus":"","lock":"","status":"published","taskId":"76507","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"23","published_number":"23","title":"(\u89c6\u9891) \u7b2c023\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72992","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"6.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76508","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"24","published_number":"24","title":"(\u89c6\u9891) \u7b2c024\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"72993","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"7","published_number":0,"title":"Unit 7 Analysis of small signal Amplifiers in the Mid-frequency Band","result":"","resultStatus":"","lock":"","status":"published","taskId":"76477","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"7.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76513","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"25","published_number":"25","title":"(\u89c6\u9891) \u7b2c025\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73000","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"7.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76514","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"26","published_number":"26","title":"(\u89c6\u9891) \u7b2c026\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73001","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"7.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u79d1\u6280\u82f1\u8bed\u8bcd\u6c47\u548c\u53e5\u6cd5\u7279\u70b9","result":"","resultStatus":"","lock":"","status":"published","taskId":"76515","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"27","published_number":"27","title":"(\u89c6\u9891) \u7b2c027\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73002","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"7.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76516","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"28","published_number":"28","title":"(\u89c6\u9891) \u7b2c028\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73003","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"8","published_number":0,"title":"Unit 8 Operational Amplifiers","result":"","resultStatus":"","lock":"","status":"published","taskId":"76478","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"8.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76528","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"29","published_number":"29","title":"(\u89c6\u9891) \u7b2c029\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73018","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"8.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76530","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"30","published_number":"30","title":"(\u89c6\u9891) \u7b2c030\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73020","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"8.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u79d1\u6280\u82f1\u8bed\u4e2d\u7684\u201c\u8bd1\u4e8b\u4e09\u96be\u201d","result":"","resultStatus":"","lock":"","status":"published","taskId":"76536","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"31","published_number":"31","title":"(\u89c6\u9891) \u7b2c031\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73025","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"8.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76538","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"32","published_number":"32","title":"(\u89c6\u9891) \u7b2c032\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73027","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"9","published_number":0,"title":"Unit 9 Negative Feedback Amplifiers","result":"","resultStatus":"","lock":"","status":"published","taskId":"76479","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"9.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76550","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"33","published_number":"33","title":"(\u89c6\u9891) \u7b2c033\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73038","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"9.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76551","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"34","published_number":"34","title":"(\u89c6\u9891) \u7b2c034\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73043","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"9.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u8bcd\u7c7b\u7684\u8f6c\u8bd1","result":"","resultStatus":"","lock":"","status":"published","taskId":"76554","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"35","published_number":"35","title":"(\u89c6\u9891) \u7b2c035\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73048","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"9.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76557","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"36","published_number":"36","title":"(\u89c6\u9891) \u7b2c036\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73051","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"10","published_number":0,"title":"Unit 10 Introduction to Logic Circuits","result":"","resultStatus":"","lock":"","status":"published","taskId":"76481","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"10.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76572","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"37","published_number":"37","title":"(\u89c6\u9891) \u7b2c037\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73056","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"10.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76574","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"38","published_number":"38","title":"(\u89c6\u9891) \u7b2c038\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73057","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"10.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u8bcd\u7c7b\u7684\u8f6c\u8bd1","result":"","resultStatus":"","lock":"","status":"published","taskId":"76575","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"39","published_number":"39","title":"(\u89c6\u9891) \u7b2c039\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73060","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"10.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76576","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"40","published_number":"40","title":"(\u89c6\u9891) \u7b2c040\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73065","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"11","published_number":0,"title":"Unit 11 The Transformer on No Load","result":"","resultStatus":"","lock":"","status":"published","taskId":"76483","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"11.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76592","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"41","published_number":"41","title":"(\u89c6\u9891) \u7b2c041\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73081","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"11.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76594","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"42","published_number":"42","title":"(\u89c6\u9891) \u7b2c042\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73084","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"11.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u7701\u8bd1\u6cd5\uff081\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76597","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"43","published_number":"43","title":"(\u89c6\u9891) \u7b2c043\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73094","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"11.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76599","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"44","published_number":"44","title":"(\u89c6\u9891) \u7b2c044\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73097","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"12","published_number":0,"title":"Unit 12 The Transformer on Load","result":"","resultStatus":"","lock":"","status":"published","taskId":"76484","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"12.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76622","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"45","published_number":"45","title":"(\u89c6\u9891) \u7b2c045\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73105","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"12.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76623","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"46","published_number":"46","title":"(\u89c6\u9891) \u7b2c046\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73108","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"12.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u7701\u8bd1\u6cd5\uff082\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76626","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"47","published_number":"47","title":"(\u89c6\u9891) \u7b2c047\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73113","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"12.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76627","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"48","published_number":"48","title":"(\u89c6\u9891) \u7b2c048\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73114","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"13","published_number":0,"title":"Unit 13 Construction and Application of D.C. Machines","result":"","resultStatus":"","lock":"","status":"published","taskId":"76485","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"13.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76639","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"49","published_number":"49","title":"(\u89c6\u9891) \u7b2c049\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73121","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"13.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76640","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"50","published_number":"50","title":"(\u89c6\u9891) \u7b2c050\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73123","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"13.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u589e\u8bd1\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76641","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"51","published_number":"51","title":"(\u89c6\u9891) \u7b2c051\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73126","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:08","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"13.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76642","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"52","published_number":"52","title":"(\u89c6\u9891) \u7b2c052\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73128","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:08","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"14","published_number":0,"title":"Unit 14 Introduction to D.C. Machines","result":"","resultStatus":"","lock":"","status":"published","taskId":"76487","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"14.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76649","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"53","published_number":"53","title":"(\u89c6\u9891) \u7b2c053\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73129","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"14.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76650","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"54","published_number":"54","title":"(\u89c6\u9891) \u7b2c054\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73130","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"14.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u8fd8\u539f\u6cd5\u4e0e\u5012\u7f6e\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76651","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"55","published_number":"55","title":"(\u89c6\u9891) \u7b2c055\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73133","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"14.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76652","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"56","published_number":"56","title":"(\u89c6\u9891) \u7b2c056\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73134","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"15","published_number":0,"title":"Unit 15 Commutation of D.C. Machines","result":"","resultStatus":"","lock":"","status":"published","taskId":"76490","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"15.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76658","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"57","published_number":"57","title":"(\u89c6\u9891) \u7b2c057\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73141","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"15.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76660","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"58","published_number":"58","title":"(\u89c6\u9891) \u7b2c058\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73143","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"15.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u8bcd\u4e49\u8fa8\u8bc6\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76662","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"59","published_number":"59","title":"(\u89c6\u9891) \u7b2c059\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73147","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"15.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76664","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"60","published_number":"60","title":"(\u89c6\u9891) \u7b2c060\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73149","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"16","published_number":0,"title":"Unit 16 Three -phase Induction \uff08Asynchronous\uff09 Machine With the Rotor at Standstill","result":"","resultStatus":"","lock":"","status":"published","taskId":"76497","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"16.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76673","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"61","published_number":"61","title":"(\u89c6\u9891) \u7b2c061\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73158","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"16.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76674","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"62","published_number":"62","title":"(\u89c6\u9891) \u7b2c062\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73163","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"16.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u8bcd\u4e49\u7684\u5f15\u7533\u8bd1\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76677","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"63","published_number":"63","title":"(\u89c6\u9891) \u7b2c063\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73236","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"16.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76678","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"64","published_number":"64","title":"(\u89c6\u9891) \u7b2c064\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73165","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"17","published_number":0,"title":"Unit 17 Three-Phase Induction Machine With Rotating Rotor","result":"","resultStatus":"","lock":"","status":"published","taskId":"76742","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"17.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76743","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"65","published_number":"65","title":"(\u89c6\u9891) \u7b2c065\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73237","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:53","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"17.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76744","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"66","published_number":"66","title":"(\u89c6\u9891) \u7b2c066\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73238","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:53","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"17.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u4e00\u4e9b\u8bcd\u7c7b\u7684\u8bd1\u6cd5\uff081\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76745","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"67","published_number":"67","title":"(\u89c6\u9891) \u7b2c067\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73239","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"17.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76746","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"68","published_number":"68","title":"(\u89c6\u9891) \u7b2c068\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73240","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"18","published_number":0,"title":"Unit 18 Operating Conditions and Vector Diagrams of the Induction Machine","result":"","resultStatus":"","lock":"","status":"published","taskId":"76751","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"18.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76752","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"69","published_number":"69","title":"(\u89c6\u9891) \u7b2c069\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73241","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"18.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76753","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"70","published_number":"70","title":"(\u89c6\u9891) \u7b2c070\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73242","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"18.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u4e00\u4e9b\u8bcd\u7c7b\u7684\u8bd1\u6cd5\uff082\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76754","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"71","published_number":"71","title":"(\u89c6\u9891) \u7b2c071\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73243","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:04","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"18.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76758","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"72","published_number":"72","title":"(\u89c6\u9891) \u7b2c072\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73244","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:04","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"19","published_number":0,"title":"Unit 19 Armature Reaction of Salient -Pole Synchronous Machine-Two-Reaction Theory","result":"","resultStatus":"","lock":"","status":"published","taskId":"76764","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"19.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76765","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"73","published_number":"73","title":"(\u89c6\u9891) \u7b2c073\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73246","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"19.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76766","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"74","published_number":"74","title":"(\u89c6\u9891) \u7b2c074\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73248","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:44","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"19.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u4e00\u4e9b\u8bcd\u7c7b\u7684\u8bd1\u6cd5\uff083\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76769","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"75","published_number":"75","title":"(\u89c6\u9891) \u7b2c075\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73251","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"19.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76770","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"76","published_number":"76","title":"(\u89c6\u9891) \u7b2c076\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73254","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"20","published_number":0,"title":"Unit 20 Voltage Diagrams of the Three -Phase Synchronous Generator on Balanced Load","result":"","resultStatus":"","lock":"","status":"published","taskId":"76792","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"20.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76794","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"77","published_number":"77","title":"(\u89c6\u9891) \u7b2c077\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73272","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"20.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76797","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"78","published_number":"78","title":"(\u89c6\u9891) \u7b2c078\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73273","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"20.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u77ed\u8bed\u7684\u7ffb\u8bd1","result":"","resultStatus":"","lock":"","status":"published","taskId":"76800","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"79","published_number":"79","title":"(\u89c6\u9891) \u7b2c079\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73276","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"20.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76802","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"80","published_number":"80","title":"(\u89c6\u9891) \u7b2c080\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73277","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"21","published_number":0,"title":"Unit 21 Technology Trends in Micromputer Control Of Electrical Machines","result":"","resultStatus":"","lock":"","status":"published","taskId":"76812","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"21.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76814","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"81","published_number":"81","title":"(\u89c6\u9891) \u7b2c081\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73290","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:01","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"21.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76815","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"82","published_number":"82","title":"(\u89c6\u9891) \u7b2c082\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73291","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:01","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"21.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u53e5\u5b50\u7ffb\u8bd1\u7684\u57fa\u672c\u6b65\u9aa4","result":"","resultStatus":"","lock":"","status":"published","taskId":"76818","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"83","published_number":"83","title":"(\u89c6\u9891) \u7b2c083\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73294","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"21.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76819","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"84","published_number":"84","title":"(\u89c6\u9891) \u7b2c084\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73296","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:51","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"22","published_number":0,"title":"Unit 22 Power System Control in Next Century ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76840","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"22.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76843","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"85","published_number":"85","title":"(\u89c6\u9891) \u7b2c085\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73311","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"22.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76844","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"86","published_number":"86","title":"(\u89c6\u9891) \u7b2c086\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73314","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"22.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u957f\u53e5\u7684\u7ffb\u8bd1","result":"","resultStatus":"","lock":"","status":"published","taskId":"76848","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"87","published_number":"87","title":"(\u89c6\u9891) \u7b2c087\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73322","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"22.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76850","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"88","published_number":"88","title":"(\u89c6\u9891) \u7b2c088\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73323","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"23","published_number":0,"title":"Unit 23 Artificial Intelligence Applications in the EMS ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76877","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"23.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76880","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"89","published_number":"89","title":"(\u89c6\u9891) \u7b2c089\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73342","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"23.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76882","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"90","published_number":"90","title":"(\u89c6\u9891) \u7b2c090\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73345","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"23.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u5b9a\u8bed\u4ece\u53e5\u7684\u8bd1\u6cd5\uff081\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76886","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"91","published_number":"91","title":"(\u89c6\u9891) \u7b2c091\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73349","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"23.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76889","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"92","published_number":"92","title":"(\u89c6\u9891) \u7b2c092\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73351","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"24","published_number":0,"title":"Unit 24 Anatomy of Power System Blackouts \uff1aPreventive Relaying Strategies","result":"","resultStatus":"","lock":"","status":"published","taskId":"76910","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"24.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76912","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"93","published_number":"93","title":"(\u89c6\u9891) \u7b2c093\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73358","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"24.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76913","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"94","published_number":"94","title":"(\u89c6\u9891) \u7b2c094\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73359","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"24.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u5b9a\u8bed\u4ece\u53e5\u7684\u7ffb\u8bd1\uff082\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76914","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"95","published_number":"95","title":"(\u89c6\u9891) \u7b2c095\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73360","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"24.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76915","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"96","published_number":"96","title":"(\u89c6\u9891) \u7b2c096\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73361","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"25","published_number":0,"title":"Unit 25 Choice of Power Station and Units ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76920","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"25.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76921","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"97","published_number":"97","title":"(\u89c6\u9891) \u7b2c097\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73364","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"25.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76922","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"98","published_number":"98","title":"(\u89c6\u9891) \u7b2c098\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73365","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"25.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u72b6\u8bed\u4ece\u53e5\u7684\u8bd1\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76923","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"99","published_number":"99","title":"(\u89c6\u9891) \u7b2c099\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73366","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"25.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76925","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"100","published_number":"100","title":"(\u89c6\u9891) \u7b2c100\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73367","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"26","published_number":0,"title":"Unit 26 The Development of Computer\u2014Bassed Control Systems ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76932","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"26.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76934","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"101","published_number":"101","title":"(\u89c6\u9891) \u7b2c101\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73380","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"26.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76935","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"102","published_number":"102","title":"(\u89c6\u9891) \u7b2c102\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73381","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"26.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u7279\u6b8a\u8bed\u6001\u548c\u8bed\u6c14\u7684\u7ffb\u8bd1","result":"","resultStatus":"","lock":"","status":"published","taskId":"76938","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"103","published_number":"103","title":"(\u89c6\u9891) \u7b2c103\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73383","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"26.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76940","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"104","published_number":"104","title":"(\u89c6\u9891) \u7b2c104\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73384","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"27","published_number":0,"title":"Unit 27 General Concepts of Hierarchical Control ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76944","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"27.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76945","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"105","published_number":"105","title":"(\u89c6\u9891) \u7b2c105\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73385","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"27.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76947","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"106","published_number":"106","title":"(\u89c6\u9891) \u7b2c106\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73386","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"27.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u5426\u5b9a\u610f\u4e49\u7684\u8bd1\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76949","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"107","published_number":"107","title":"(\u89c6\u9891) \u7b2c107\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73387","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"27.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76951","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"108","published_number":"108","title":"(\u89c6\u9891) \u7b2c108\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73388","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"28","published_number":0,"title":"Unit 28 Memory Crganization in MCS -51 Family of Micro Controllers ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76968","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"28.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76969","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"109","published_number":"109","title":"(\u89c6\u9891) \u7b2c109\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73389","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"28.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76970","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"110","published_number":"110","title":"(\u89c6\u9891) \u7b2c110\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73390","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"28.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u500d\u6570\u589e\u51cf\u7684\u8bd1\u6cd5","result":"","resultStatus":"","lock":"","status":"published","taskId":"76971","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"111","published_number":"111","title":"(\u89c6\u9891) \u7b2c111\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73391","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"28.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76973","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"112","published_number":"112","title":"(\u89c6\u9891) \u7b2c112\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73392","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"29","published_number":0,"title":"Unit 29 Number System","result":"","resultStatus":"","lock":"","status":"published","taskId":"76980","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"29.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"76989","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"113","published_number":"113","title":"(\u89c6\u9891) \u7b2c113\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73401","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"29.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76990","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"114","published_number":"114","title":"(\u89c6\u9891) \u7b2c114\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73402","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"29.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u6c49\u8bd1\u4e2d\u7684\u4e00\u4e9b\u4fee\u8f9e\u65b9\u6cd5\uff081\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"76991","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"115","published_number":"115","title":"(\u89c6\u9891) \u7b2c115\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73403","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"29.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"76992","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"116","published_number":"116","title":"(\u89c6\u9891) \u7b2c116\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73404","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"30","published_number":0,"title":"Unit 30 The New Generation of Advanced Process Control ","result":"","resultStatus":"","lock":"","status":"published","taskId":"76981","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"unit","number":"1","published_number":0,"title":"30.1 Specialized English Words","result":"","resultStatus":"","lock":"","status":"published","taskId":"77000","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"117","published_number":"117","title":"(\u89c6\u9891) \u7b2c117\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73408","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"30.2 Text ","result":"","resultStatus":"","lock":"","status":"published","taskId":"77002","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"118","published_number":"118","title":"(\u89c6\u9891) \u7b2c118\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73409","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"30.3 \u79d1\u6280\u82f1\u8bed\u9605\u8bfb\u4e0e\u7ffb\u8bd1\u77e5\u8bc6\u2014\u6c49\u8bd1\u4e2d\u4e00\u4e9b\u4fee\u8f9e\u65b9\u6cd5\uff082\uff09","result":"","resultStatus":"","lock":"","status":"published","taskId":"77003","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"119","published_number":"119","title":"(\u89c6\u9891) \u7b2c119\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73410","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"30.4 Exercises","result":"","resultStatus":"","lock":"","status":"published","taskId":"77004","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"120","published_number":"120","title":"(\u89c6\u9891) \u7b2c120\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73411","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:00","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"31","published_number":0,"title":"\u603b\u590d\u4e60","result":"","resultStatus":"","lock":"","status":"published","taskId":"76983","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"121","published_number":"121","title":"(\u89c6\u9891) \u7b2c121\u8bb2\t","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73397","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"122","published_number":"122","title":"(\u89c6\u9891) \u7b2c122\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"73406","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:37","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true}]
{
"text": {
"icon": "es-icon es-icon-graphicclass",
"name": "图文"
}
,
"video": {
"icon": "es-icon es-icon-videoclass",
"name": "视频"
}
,
"audio": {
"icon": "es-icon es-icon-audioclass",
"name": "音频"
}
,
"live": {
"icon": "es-icon es-icon-videocam",
"name": "直播"
}
,
"discuss": {
"icon": "es-icon es-icon-comment",
"name": "讨论"
}
,
"flash": {
"icon": "es-icon es-icon-flashclass",
"name": "Flash"
}
,
"doc": {
"icon": "es-icon es-icon-description",
"name": "文档"
}
,
"ppt": {
"icon": "es-icon es-icon-pptclass",
"name": "PPT"
}
,
"testpaper": {
"icon": "es-icon es-icon-kaoshi",
"name": "作业"
}
,
"testpaper-practice": {
"icon": "es-icon es-icon-kaoshi",
"name": "练习"
}
,
"exercise": {
"icon": "es-icon es-icon-mylibrarybooks",
"name": "刷题练习"
}
,
"download": {
"icon": "es-icon es-icon-filedownload",
"name": "下载资料"
}
,
"homework": {
"icon": "es-icon es-icon-graphicclass",
"name": "作业"
}
}
1730435878
授课教师
专业英语
课程特色
视频(122)
