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

单词	bidirectional microphone
释义	bidirectional microphone [´bī·dǝ`rek·shǝn·ǝl `mī·krǝ´fōn] ^{ENGINEERING ACOUSTICS} A microphone that responds equally well to sounds reaching it from the front and rear, corresponding to sound incidences of 0 and 180°.
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