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声音是人类传递信息,表达感情和进行社会交际的重要工具,同时利用声学现象还可以用来探索物质结构、研究地层构造、预报地震、用来检测和鉴视大气、探测水下目标,诊断疾病等。但是声也可以给人类造成干扰烦恼、疾病。为了更好发扬声对人类有用的一面,抑制克服其有害的方面,就必须对声音的特性进行研究。
Sound is an important tool for human beings to transmit information, express feelings and conduct social communication. At the same time, the use of acoustic phenomena can also be used to explore the physical structure, study the formation structure, predict the earthquake, detect and survey the atmosphere, detect underwater targets, diagnose diseases Wait. But the sound can also cause annoyance and disease to humans. In order to better promote the useful side of humanity and to suppress overcoming its harmful aspects, the characteristics of the sound must be studied.