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

单词	unidirectional microphone
释义	unidirectional microphone [¦yü·nǝ·dǝ`rek·shǝn·ǝl `mī·krǝ´fōn] ^{ENGINEERING ACOUSTICS} A microphonethat is responsive predominantly to sound incident from one hemisphere, without picking up sounds from the sides or rear.
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