MRI诊断简介
课程介绍
随着医学影像技术在医疗实践中的应用，MRI检查由于多参数成像，在肿瘤分期诊断、治疗方法选择、放射治疗靶区勾画以及疗效观察中应用优势明显。《MRI诊断简介》课程是《医学影像诊断学》的重要组成部分，是以MRI检查方式显示人体内部结构的形态、功能的影像诊断科学，特别功能显示具有优势。此次课程是中国癌症基金会基层肿瘤中心培训项目中课程一部分，也是肿瘤科医师、医学影像技师及放射物理师必须熟悉的内容。
授课讲师
副教授
最新学员
{
"id": "99",
"isDefault": "1",
"learnMode": "freeMode",
"isMember": "",
"status": "published",
"currentTaskId": "",
"isHideUnpublish": "0"
}
{
"i18nChapterName": "章",
"i18nUnitName": "节",
"i18nLessonName": "幻灯片",
"i18nTaskName":"任务"
}
[{"itemType":"task","number":"1","published_number":"1","title":"MRI\u8bca\u65ad\u7b80\u4ecb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2776","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:09","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"\u8bb2\u5e08\u7b80\u4ecb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2777","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:23","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"\u76ee\u5f55","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2778","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:22","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74061","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2779","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74062","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2780","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:24","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74063","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2781","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:07","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74064","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2782","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:59","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74065","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2783","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:21","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74066","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2784","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:47","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74067","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2785","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:18","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74068","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2786","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:42","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u74069","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2787","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:09","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"MRI\u6210\u50cf\u57fa\u672c\u539f\u740610","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2788","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:18","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"MRI\u56fe\u50cf\u7279\u70b91","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2789","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"MRI\u56fe\u50cf\u7279\u70b92","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2790","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:38","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2791","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2792","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:45","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2793","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:23","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2794","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:32","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2795","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:33","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2796","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:48","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f7","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2797","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:57","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f8","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2798","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:28","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2799","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:34","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f10","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2800","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:35","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f11","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2801","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:18","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f12","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2802","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:12","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f13","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2803","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:50","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"MRI\u626b\u63cf\u5e8f\u5217\u53ca\u6280\u672f14","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2804","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:45","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75281","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2805","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75282","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2806","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:21","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75283","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2807","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:04","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75284","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2808","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:06","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75285","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2809","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:33","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75286","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2810","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:18","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75287","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2811","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:12","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75288","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2812","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:08","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"MRI\u7684\u4e34\u5e8a\u5e94\u75289","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2813","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:51","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"MRI\u7684\u4e34\u5e8a\u5e94\u752810","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2814","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"MRI\u7684\u4e34\u5e8a\u5e94\u752811","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2815","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:17","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"MRI\u7684\u4e34\u5e8a\u5e94\u752812","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2816","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:17","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"MRI\u7684\u4e34\u5e8a\u5e94\u752813","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2817","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:31","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"MRI\u7684\u5b89\u51681","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2818","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:05","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"MRI\u7684\u5b89\u51682","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2819","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:23","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"MRI\u7684\u5b89\u51683","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2820","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:24","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"MRI\u7684\u5b89\u51684","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2821","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:24","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"MRI\u7684\u5b89\u51685","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2822","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:42","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"MRI\u7684\u5b89\u51686","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2823","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:49","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"\u611f\u8c22\u89c2\u770b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2824","isOptional":"0","type":"audio","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"00:03","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"MRI\u8bca\u65ad\u8bd5\u9898","result":"","resultStatus":"","lock":false,"status":"published","taskId":"2825","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]