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初二物理(北京版)乐音和噪声(2)

视频地址：https://video.cache.bdschool.cn/vd/9d2b622a51fc69d3b047c41ad094ce7a.mp4
附件： 0924初二【物理(北京版)】乐音与噪声(2) 教学设计.doc
附件： 0924初二【物理(北京版)】乐音与噪声(2) 课后练习.docx
附件： 0924初二【物理(北京版)】乐音与噪声(2) 学习任务单.docx
附件： 0924初二【物理(北京版)】乐音与噪声(2)（无视频）.pptx

19 views Jul 15, 2021

初二物理(人教版)声音的特性初二物理(人教版)声的利用

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