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播放：8 时间：2024-08-21简介： -
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![《能量的转化和守恒》优质课公开课 人教版初中物理九年级上册 教师获奖公开课比赛实录（有PPT课件教案）[张老师]【市级】](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F48b5c43c3727c44cc7f5e4c84fc342adc7593498.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[初中物理]学好能量守恒定律不做漏网之鱼！一个视频轻松搞定能量的转化与守恒！](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F08ca0204b2413815b89bba872c78a0aad1d9b835.jpg%40672w_378h_1c_%21web-search-common-cover)
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