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声学 噪声源声功率级的测定混响室精密法和工程法
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海洋船舶噪声级规定
Regulation on noise levels on board sea-going ships
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船上噪声测量
Measurement of noise on board vessels
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声学 家用电器及类似用途器具噪声测试方法 第1部分:通用要求
Acoustics-Household and similar electrical appliances-Test code for determination of airborne acoustical noise Part 1: General requirements
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声学 规定实验室条件下办公室屏障声衰减的测量
Acoustics-Measurement of office screen sound attenuation under specific laboratory conditions
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声学 消声器现场测量
Acoustics-Measurements on silencers in situ
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声学 机器和设备发射的噪声 噪声测试规范起草和表述的准则
Acoustics--Noise emitted by machinery and equipment--Rules for the drafting and presentation of a noise test code
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声学 信息技术设备和通信设备空气噪声的测量
Acoustics--Measurement of airborne noise emitted by information technology and telecommunications equipment
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声学 隔声罩的隔声性能测定 第2部分;现场测量(验收和验证用)
Acoustics--Determination of sound insulation performances of enclosures Part 2: Measurements in situ (for acceptance and verification purposes)
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