[{"itemType":"task","number":"1","published_number":"1","title":"pcb\u677f\u6750\u4ecb\u7ecd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"584","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:08","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"pcb\u94dc\u7b94\u4ecb\u7ecd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"585","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:23","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"\u53e0\u5c42\u6392\u5e03\u4e09\u6b65\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"586","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:52","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"\u5982\u4f55\u786e\u5b9a\u5c42\u539a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"587","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:38","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"\u5171\u9762\u6ce2\u5bfc\u963b\u6297\u8ba1\u7b97","result":"","resultStatus":"","lock":false,"status":"published","taskId":"588","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:59","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"\u5355\u7aef\u7ebf\u963b\u6297\u8ba1\u7b97","result":"","resultStatus":"","lock":false,"status":"published","taskId":"589","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:11","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"\u5dee\u5206\u7ebf\u963b\u6297\u8ba1\u7b97","result":"","resultStatus":"","lock":false,"status":"published","taskId":"590","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:11","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true}]