...trument with circuit control device带有电路控制器件的测量仪表 measuring junction测量端区 measuring microphone测试传声器 measuring plane测量平面 ..
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测试传声器 measurement microphone; measuring microphone; test microphone 差动传声器 differential microphone ..
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测试传声器 measurement microphone; measuring microphone; test microphone 差动传声器 differential microphone .
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驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的。
The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
没有专门的校准设备通常难以进行测试传声器灵敏度校准，这个因素限制了传声器的日常校准。
Generally, it is difficult to calibrate microphone sensitivity without special calibration instruments, which makes the maintenance of microphone can't be done frequently.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
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