“electret microphone”的概念、定义、翻译、参考文献-科学参考

单词	electret microphone
释义	electret microphone [i`lek´tret `mī·krǝ´fōn] ^{ENGINEERING ACOUSTICS} A microphone consisting of an electret transducer in which the foil electret diaphragm is placed next to a perforated, ridged, metal or metal-coated backplate, and output voltage, taken between diaphragm and backplate, is proportional to the displacement of the diaphragm.
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