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2018演讲场景再现20181213.mp4
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(12/14/2018 07:53:42,24) [查看全文]
方红德特级评课视频(20180928顺德伦教).mp4
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(10/14/2018 10:35:56,209) [查看全文]
《交变电流》录像课.mp4
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(08/01/2018 18:58:31,158) [查看全文]
《固体》录像课.mp4
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(08/01/2018 17:06:16,130) [查看全文]
2017模拟演讲答辩20171212
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(12/14/2017 20:35:50,28) [查看全文]
研究摩擦力
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(12/15/2016 17:11:50,411) [查看全文]
Module2 Unit4 L4 Auckland new Zealand.mp4
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(03/15/2016 18:53:40,356) [查看全文]
原子的核式结构.mp4
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(02/21/2016 20:53:12,346) [查看全文]
第二讲天体运动与卫星专题.mp4
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(10/01/2015 21:15:07,369) [查看全文]
生日纪念册20150905
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(09/05/2015 14:08:15,363) [查看全文]
原子的结构.mp4
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(08/17/2015 20:01:18,384) [查看全文]
坚持就能走向成功.mp4
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(06/19/2015 12:31:06,341) [查看全文]
第四节  法拉第电磁感应定律20150425.mp4
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(04/27/2015 11:37:15,472) [查看全文]
第三节 判断感应电流的方向20150228.mp4
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(04/12/2015 21:45:29,349) [查看全文]
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