美国和以色列以及世界上做事欠谨慎的警察据说都使用过一种叫做“远程声学装置”的音波武器。

And both American and Israeli armies and some less scrupulous police forces around the world are said to have used a sonic tool, the "long range acoustic device".

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随着水声探测潜艇的手段和方法以及带有声制导的水下武器的不断完善，对潜艇的声学性能的要求越来越高。

With the progressive development of underwater acoustic detection and acoustic-guided weapons, more advanced requirements are imposed upon the acoustic properties of submarines.

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