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声子晶体是近年来提出的一种新型功能材料,目前主要处于理论研究阶段.通过与光子晶体类比,可推断由振动材料组成的周期性结构,传输弹性波时也有带隙存在,这种特征可以有效地进行声波控制和振动控制,阐述了声子晶体的概念、基本特征、研究方法和进展.

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