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声学.噪音评价曲线
Acoustics. Nr curve for the assessment of noise.
参考页数:5P.;A4
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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 2 : reference equivalent threshold sound pressure levels for pure tones and insert earphones.
参考页数:13P.;A4
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声学.标准等响曲线
Acoustics - Normal equal-loudness-level contours.
参考页数:24P.;A4
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声学.职业噪声测量.工程法
Acoustics - Determination of occupational noise exposure - Engineering method.
参考页数:54P;A4
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声学.环境噪音的表征和测量.专用测量方法
Acoustics - Environmental noise characterization and measurement - Special measuring methods.
参考页数:12P;A4
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声学.听力测定设备校准用标准零点.第5部分:频率范围为8kHz~16kHz的纯音用参考等效扩音声压级
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5 : reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz.
参考页数:14P.;A4
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声学.听力测定设备的校准用参考零点.第6部分:短时持续试验信号用参考扩音阀
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6 : reference threshold of hearing for test signals of short duration.
参考页数:17P.;A4
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电声学.听力测定设备.第3部分:短期的试验信息
Electroacoustics - Audiometric equipment - Part 3 : test signals of short duration.
参考页数:16P.;A4
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声学.测听设备校准用的参考零点.第7部分:自由场和扩散场听力条件下的参考听觉阈
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7 : reference threshold of hearing under free-field and diffuse-field listening conditions.
参考页数:16P.;A4
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声学.噪音环境中语音可听清距离评定
Acoustics. Assessment of speech intelligibility distances in noisy conditions.
参考页数:2P.;A4
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