This new weapon is called a Long Range AcousticDevice (LRAD) .
这种新型武器叫做远程定向声波发射器(LRAD)。
2
They should have used other means to shake off the pirates, like a loud acousticdevice.
他们本可以利用其它方式撵走海盗,比如使用强声装置。
3
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 acousticdevice".