Acoustics . reference zero for the calibration of audiometric equipment . reference equivalent threshold force levels for pure tones and bone vibrators 声学.听力设备校正的标准零点.第3部分:纯音和骨传导振动器用标准等效阈力级别
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 - reference equivalent threshold sound pressure levels for pure tones and insert earphones 声学.音响设备校正标准参考零点.纯音和插入式耳机用参考等效门限声压级
Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones and supra - aural earphones 声学.音响设备校正基准零点.纯音和超听觉耳机用基准等效阈值声压级
Acoustics . reference zero for the calibration of audiometric equipment . part 3 : reference equivalent threshold force levels for pure tones and bone vibrators 声学.听力测定仪器的校准用基准0 .第3部分:纯音和骨振动器用基准等效听阈强度级
Acoustics - reference zero for the calibration of audiometric equipment - part 1 : reference equivalent threshold sound pressure levels for pure tones and supra - aural earphones 声学校准测听设备的基准零级第1部分：压耳式耳机纯音基准等效阈声压级
Acoustics . reference zero for the calibration of audiometric equipment . part 2 : reference equivalent threshold sound pressure levels for pure tones and insert earphones 声学.纯音听力计设备校正的参考零点.插入式耳机和纯音调用参考等效域值声压级
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 1 : reference equivalent threshold sound pressure levels for pure tones and supra - aural earphones 声学.听力测定仪器的校准用基准0 .第1部分:纯音和超声耳机用基准等效阈声压级
