This new weapon is called a Long Range Acoustic Device (LRAD) .

这种新型武器叫做远程定向声波发射器（LRAD）。

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They should have used other means to shake off the pirates, like a loud acoustic device.

他们本可以利用其它方式撵走海盗，比如使用强声装置。

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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".

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。

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Even cooler, but scarier, is HSS' amped-up cousin, the Long Range Acoustic Device.

FORBES: Magazine Article

California-based HPV Technologies recently demonstrated a "magnetic acoustic device" or MAD that can broadcast a targeted beam of sound for a more than mile.

NPR: Focused Sound 'Laser' for Crowd Control

The sonic lasso is quite a bit more complex and less portable than its rope-based cousin, involving a circular device with 16 sources of acoustic waves.

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