| 释义 |
lradCOCA²⁰⁴³⁶⁰
基本例句
Licentiate of the Royal Academy of Dancing 领有皇家舞蹈研究院证书的人
Long-range acoustic devices, or LRAD, emit high energy acoustic waves.The waves can be directed in a“ beam” at a target that could be a mile away.
长距离声学设备，或简称 LRAD，可以发出高能声波，声波可以形成一束，直接指向一里以外的目标。 yeeyan
Rather than using pure volume to throw sound far, the LRAD reaches distant ears by focusing the audio beam.
甚至用一种纯洁的声音传播的远远的， LRAD通过聚集的声音柱将声音传到远方的耳朵里。 iciba |