But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.
但是装置里的麦克风和芯片从传入的声音中采样，并且产生抵消牙钻声的反向波。
The bus stopped at Eel Brook Common and the players led the singing on a radio microphone. When owner Abramovich gave a special wave the crowd erupted.
大巴在艾尔布鲁克公共绿地停下，队员们对着无线话筒领唱起歌来。当老板阿布拉莫维奇特意向球迷挥手时大家沸腾了。
But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.
不过，该设备上内置的麦克风和芯片会对传入的声音取样并制造反相波，这种反相波刚好可以抵消牙钻的声音。
The lie detector includes host computer, testing screen, audio and video instrument, answering button keys, answering microphone, brain wave electrodes and pre-amplifier.
测谎仪包括计算机主机，受试屏幕与音响的设备，应答按钮，应答麦克风，及脑波电极与前置放大器。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
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