声音 Sound

（重定向自Sound propagation）

声音是通过物体振动产生的声波。是通过介质（空气或固体、液体）传播并能被人或动物听觉器官所感知的波动现象。

声音的频率一般会以赫兹表示，记为Hz，指每秒钟周期性振动的次数。而分贝是用来表示声音强度的单位，记为dB。

单词	Sound propagation
释义	Sound propagation 中文百科声音 Sound （重定向自Sound propagation）声音是通过物体振动产生的声波。是通过介质（空气或固体、液体）传播并能被人或动物听觉器官所感知的波动现象。声音的频率一般会以赫兹表示，记为Hz，指每秒钟周期性振动的次数。而分贝是用来表示声音强度的单位，记为dB。英语百科 Sound 声音（重定向自Sound propagation） In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. In physiology and psychology, sound is the reception of such waves and their pe**tion by the brain.
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Sound propagation