这种新型武器叫做远程定向声波发射器（LRAD）。
This new weapon is called a Long Range Acoustic Device (LRAD) .
远程定向声波发射器（Long Range Acoustic Device）发出的噪音像光线一样，进入指定人的耳朵中，然而它并不致命。
The noise from the LRAD is directed like a ray of light and travels only into the ears of that person, but it is not deadly.
他用微型声波发射器开启了门。
“黑匣子”实际上呈亮橙色，并安装有“声波发生器”，即无线电和声波的信号发射器，以利于事故后的搜寻工作。
Actually painted bright orange, these recorders are equipped with "pingers" or radio and acoustic beacons that aid in their retrieval.
使声波信号沿着发射器和接收器之间的套管井壁传播时的幅度衰减确定套管外水泥胶结质量的声波测井方法。
A log that USES the variations in amplitude of an acoustic signal traveling down the casing wall between a transmitter and receiver to determine the quality of cement bond on the exterior casing wall.
当舱口盖被关闭时，产生的超声波信号的发射器被放置在货舱(空或装载货物)里发射超声波。
After the hatch covers are closed, a transmitter generating an ultrasonic signal is placed in the cargo hold (empty or loaded with cargo) emitting ultrasonic waves.
当舱口盖被关闭时，产生的超声波信号的发射器被放置在货舱(空或装载货物)里发射超声波。
After the hatch covers are closed, a transmitter generating an ultrasonic signal is placed in the cargo hold (empty or loaded with cargo) emitting ultrasonic waves.
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