| 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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