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声学.校正听力设备的基准零级.第1部分:纯音和压耳式耳机用的基准等效阈声压级(ISO 389-1-2017); 德文版本EN ISO 389-1-2018
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017); German version EN ISO 389-1:2018
参考页数:19P.;A4
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水声学.水听器.频率范围为1 Hz至500 kHz的水听器性能(IEC 60500-2017);德文版本EN 60500-2017
Underwater acoustics - Hydrophones - Properties of hydrophones in the frequency range 1 Hz to 500 kHz (IEC 60500:2017); German version EN 60500:2017
参考页数:26P.;A4
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声学.校正听力设备的基准零级.第1部分:纯音和压耳式耳机用的基准等效阈声压级(ISO 389-1-2017); 德文版本EN ISO 389-1-2018
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017); German version EN ISO 389-1:2018
参考页数:19P.;A4
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电声学.测听仪.第1部分:纯音和语言测听设备
Electroacoustics - Audiometric equipment - Part 1 : equipment for pure-tone and speech audiometry
参考页数:50P.;A4
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电声学.声级计.第2部分:型式评定试验
Electroacoustics -- Sound level meters -- Part 2: Pattern evaluation tests
参考页数:38P;A4
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电声学 测量电容传声器电声性能的测量方法
Electroacoustics.Measurement methods of electroacoustic characteristics for measurement condenser microphones
参考页数:34P.;A4
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电声学 测量电容传声器通用规范
Electroacoustics.General specification of measurement condenser microphones
参考页数:22P.;A4
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电声学 飞机噪声测量仪器 运输机噪声评定用1/3倍频程声压级测量系统的性能要求
Electroacoustics.Instruments for measurement of aircraft noise.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
参考页数:14P.;A4
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电声学.航空噪声测量仪器在运输类飞机噪声合格审定中测量1/3宽带倍频声压级装置的性能要求
Electroacoustics.Instruments for measurement of aircraft nois.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certincation of transport-category aeroplanes
参考页数:12P.;A4
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