声音的特性 (12 12:22:38)从物理学角度来看,乐音是指那先动听的,令人( )的声音,乐音的波形是( )噪声是指那先
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![声音的特性 (12 12:22:38)从物理学角度来看,乐音是指那先动听的,令人( )的声音,乐音的波形是( )噪声是指那先](/uploads/image/z/2998371-3-1.jpg?t=%E5%A3%B0%E9%9F%B3%E7%9A%84%E7%89%B9%E6%80%A7+%2812+12%3A22%3A38%29%E4%BB%8E%E7%89%A9%E7%90%86%E5%AD%A6%E8%A7%92%E5%BA%A6%E6%9D%A5%E7%9C%8B%2C%E4%B9%90%E9%9F%B3%E6%98%AF%E6%8C%87%E9%82%A3%E5%85%88%E5%8A%A8%E5%90%AC%E7%9A%84%2C%E4%BB%A4%E4%BA%BA%EF%BC%88%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B+%EF%BC%89%E7%9A%84%E5%A3%B0%E9%9F%B3%2C%E4%B9%90%E9%9F%B3%E7%9A%84%E6%B3%A2%E5%BD%A2%E6%98%AF%EF%BC%88%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B+%EF%BC%89%E5%99%AA%E5%A3%B0%E6%98%AF%E6%8C%87%E9%82%A3%E5%85%88)
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