circumaural earphone meaning in Chinese
耳罩式耳机
头戴护耳式耳机
Examples
- Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
声学.校正听力设备的基准零级.纯音和环绕耳机的基准等效阈声压级 - Acoustics - reference zero for the calibration of audiometric equipment - part 8 : reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
声学.校正听力设备的基准零级.第8部分:纯音和环绕耳机的基准等效阈声压级 - Acoustics - reference zero for the calibration of audiometric equipment - part 8 : reference equivalent threshold sound pressure levels for pure tones and circumaural earphones iso 389 - 8 : 2004 ; german version en iso 389 - 8 : 2004
声学.校准听力设备的基准零级.第8部分:纯音和环绕式