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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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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
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
参考页数:20P.;A4
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石油化工噪声控制设计规范
Engineering Specification for noise control in petrochemical industry
参考页数:18P.;A4
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电声学.人头和耳模拟器.用于测听计的超级听力耳机校正用听力耦合器
Electroacoustics. Simulators of human head and ear. Acoustic coupler for the calibration of supra-aural earphones used in audiometry
参考页数:16P.;A4
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声学. 噪声引起的听力损伤评价
Acoustics. Estimation of noise-induced hearing loss
参考页数:34P;A4
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声学.听力测试方法.语言听力测定
Acoustics. Audiometric test methods. Speech audiometry
参考页数:42P;A4
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声听学.自由场测听条件下年龄在18-25岁范围内耳科正常的人听阀的统计分布
Acoustics. Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions
参考页数:24P;A4
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林业和园林机械.以内燃机为动力的便携式手持机械的噪声测试.工程法(2级准确度)
Forestry and garden machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy)
参考页数:46P.;A4
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声学.低噪声机器工作间设计的推荐实施规程.噪声控制策略
Acoustics. Recommended practice for the design of low-noise workplaces containing machinery. Noise control strategies
参考页数:38P.;A4
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电声学.听力测定设备.听觉发射的测量仪器
Electroacoustics. Audiometric equipment. Instruments for the measurement of otoacoustic emissions
参考页数:20P;A4
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