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事倍功半

2016-06-22 09:12:50| 分类：教育信息 | 标签： |举报 |字号大中小订阅

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一些机构和学校录制的课程视频的画面漂亮，音质也很好，老师讲得也不错。但是学生往往很难看清黑板（白板）上的内容，内容清晰度不如我的视频，这是一个普遍的问题，也是很多课程视频的硬伤。其结果是花了钱没做出令人满意的视频。视频表面好看，却不方便学生学习，从而没取得应有的教学效果。

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