英语词汇“spike microphone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	spike microphone
释义	spike microphone spike microphone [′spīk ‚mī·krə‚fōn] (engineering acoustics) A device for clandestine aural surveillance in which the sensor is a spike driven into the wall of the target area and mechanically coupled to the diaphragm of a microphone on the other side of the wall.
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