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单词 capacitor microphone
释义 capacitor microphone
[kǝ`pas·ǝd·ǝr `mī·krǝ´fōn]
ENGINEERING ACOUSTICS
A microphone consisting essentially of a flexible metal diaphragm and a rigid metal plate that together form a two- plate air capacitor; sound waves set the diaphragm in vibration, producing capacitance variations that are converted into audio-frequency signals by a suitable amplifier circuit. Also known as condenser microphone; electrostatic microphone.
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