珠宝玉石行业解决方案 - 珀金埃尔默默存学府

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珠宝玉石行业解决方案

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简介
题库
学习目录
学员评价

简介

为净化珠宝市场，保护消费者合法权益，珀金埃尔默分子光谱技术助力权威机构的专业人员快速、准确、鉴别珠宝

课程内容：

珠宝鉴别的标准
红外鉴别珠宝玉石
车载红外现场无损鉴别
紫外鉴别钻石等

题库

暂无绑定的题库哦～

学习目录

{getChapterName}

{getUnitName}

{getLessonName} 敬请期待

免费选修 {getTaskName} 免费选修 {getTaskName} 剩余观看时长：{watchLimitRemaining} 回放 {activityStartTimeStr} 正在直播中直播结束 {activityLength} 预览试看免费选修 {getTaskName} 敬请期待

{ "id": "205", "isDefault": "1", "learnMode": "freeMode", "canLearn": "1", "isMember": "", "status": "published", "currentTaskId": "", "isHideUnpublish": "0" }

{ "i18nChapterName": "章", "i18nUnitName": "节", "i18nLessonName": "课时", "i18nTaskName":"任务" }

[{"itemType":"task","number":"1","published_number":"1","title":"\u73e0\u5b9d\u7389\u77f3\u884c\u4e1a\u89e3\u51b3\u65b9\u6848","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1350","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isTaskShowModal":false,"isSingleTaskLesson":true}]

{ "text": { "icon": "es-icon es-icon-graphic", "name": "图文" } , "video": { "icon": "es-icon es-icon-video", "name": "视频" } , "audio": { "icon": "es-icon es-icon-audio", "name": "音频" } , "live": { "icon": "es-icon es-icon-entry-live", "name": "直播" } , "discuss": { "icon": "es-icon es-icon-discuss", "name": "讨论" } , "flash": { "icon": "es-icon es-icon-flash", "name": "Flash" } , "doc": { "icon": "es-icon es-icon-document", "name": "文档" } , "ppt": { "icon": "es-icon es-icon-ppt", "name": "PPT" } , "testpaper": { "icon": "es-icon es-icon-examination", "name": "考试" } , "homework": { "icon": "es-icon es-icon-task", "name": "作业" } , "exercise": { "icon": "es-icon es-icon-exercise", "name": "练习" } , "download": { "icon": "es-icon es-icon-downloadfile", "name": "下载资料" } , "replay": { "icon": "es-icon es-icon-zhibohuifang", "name": "直播回放" } , "pseudolive": { "icon": "es-icon es-icon-a-Frame8", "name": "智能直播" } }

{ "onlyLearnInApp": "0" }

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