安个摄像头,教学质量就能提高了?话题

CBN weekly - - What's Up - —编辑许诗雨

有中学在教室里安装了带人脸识别技术的摄像头,监控学生上课时的表情和行为。这倒让人有了种在霍格沃兹就读的感觉—乌姆里奇执教时期的。

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