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bi-directional microphone 双向传声器
vari-directional microphone 可变指向传声器
non directional microphone 无向传声器
Non-directional Microphone 无向传声器
directional microphone detail 定向传声器 ; 定向麦克风
directional pattern of microphone [电子] 传声器指向性图案
sharp directional microphone 强指向性传声器
ultra directional microphone 超指向性传声器
ADAPTIVE DIRECTIONAL MICROPHONE 自适应指向性麦克风系统
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以上来源于: WordNet
Unless he was equipped with a directional microphone, he was out of earshot.
除非给他配备一个定向扬声器，否则谁也听不见他。
The directional microphone trained on Foresters Cottage could pick up every word uttered inside at several hundred yards.
对准福雷斯特小屋的定向扩音器在几百码远的地方也能捕捉到里面的人所说的任何一句话。
The directional characteristic of microphone is an important factor in the measurement of directional distribution of sound field.
传声器的指向性对声场方向性分布的测量有很大影响。
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