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初二物理(人教版)声音的特性

视频地址：https://video.cache.bdschool.cn/vd/d1151fddeeb399f11fd357f390175871.mp4
附件： 0925初二【物理(人教版)】声音的特性教学设计.docx
附件： 0925初二【物理(人教版)】声音的特性练习题.docx
附件： 0925初二【物理(人教版)】声音的特性任务单.docx
附件： 0925初二【物理(人教版)】声音的特性.pptx

18 views Jul 15, 2021

初二物理(北京版)乐音和噪声(1) 初二物理(北京版)乐音和噪声(2)

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