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sonar声呐[ 利用水声学原理,把在水中传播的声波进行电声转换、信息处理来完成水]详细»
声纳acoustic admittance;acoustic susceptance;acoustical admittance;asdic;asdic gear;sonar;sound navigation and ranging详细»
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声纳acoustic admittance;asdic;hydrolocator;sonar;sound gear详细»