lrad
美
英 
- 网络长程声波装置(Long Range Acoustic Device);远程声波设备;远程声波控制器
例句
That prompted the invention of the " long range acoustic device" ( LRAD), designed to keep small boats away from warships.
这激起了「距离音波装置」设计来防止小船只接近战舰的发明。
Woody Norris is a serial inventor of electronics, tools and cutting-edge sonic equipment -- such as the LRAD acoustic cannon.
发明家,主要发明电子器件、工具和前沿声学设备——例如LRAD声波炮。