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工业企业噪声测量规范
Code for measurement of noise in industrial enterprises
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声学 水声换能器测量
Acoustics--Measurement of underwater sound transducers
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听力计 第4部分;延伸高频测听的设备
Audiometers. Part 4: Equipment for extended high-frequency audiometry
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听力计 第3部分;用于测听与神经耳科的短持续听觉测试信号
Audiometers. Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposes
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听力计 第2部分;语言测听设备
Audiometers. Part 2: Equipment for speech audiometry
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声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分;专用混响测试室法
Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering metheds for small,movable sources in reverberant fields--Part 2: Methods for special reverberation test rooms
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声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第1部分:硬壁测试室比较法
Acoustics--Determination of sound power levels of noise soures--Engineering methods for small,movable sources in reverberant field--Part 1: Comparsion method for hard-walled test rooms
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声学 声压法测定噪声源声功率级 混响室精密法
Acoustics--Determination of sound power levels of noise sources using sound pressure--Precision methods for reverberation rooms
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声学 校准测听设备的基准零级 第7部分:自由场与扩散场测听的基准听阈
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