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道路交通噪声降低设备. 测定声学性能的试验方法. 第5部分: 内在特性. 直接声场条件下声音吸收的原位值
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5 : intrinsic characteristics - In situ values of sound absorption under direct sound field conditions
参考页数:65P.;A4
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道路交通减噪设备. 非声学性能. 第3部分: 火反应. 减噪设备的燃烧性能和分类
Road traffic noise reducing devices - Non-acoustic performance - Part 3 : reaction to fire - Burning behaviour of noise reducing devices and classification
参考页数:19P.;A4
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机械振动. 船上振动的测量. 第3部分: 船用设备的预安装振动测量. 修改件1
Mechanical vibration - Measurement of vibration on ships - Part 3 : pre-installation vibration measurement of shipboard equipment - Amendment 1
参考页数:8P.;A4
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道路交通噪音减弱装置.测定声性能的试验方法.第1部分:扩散声场条件下声吸收的内在特性
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1 : intrinsic characteristics of sound absorption under diffuse sound field conditions
参考页数:30P.;A4
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道路车辆加速时发出噪声的测量. 工程方法. 第3部分: M类和N类的室内试验
Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 3 : indoor testing M and N categories
参考页数:60P.;A4
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降低道路交通噪音的装置.规范
Road traffic noise reducing devices - Specifications
参考页数:41P.;A4
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机械振动. 船舶的振动测量. 第3部分: 船用设备的预安装振动测量
Mechanical vibration - Measurement of vibration on ships - Part 3 :pre-installation vibration measurement of shipboard equipment
参考页数:32P.;A4
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道路交通噪音降低设备.长期效能评估程序.第2部分:非声学特性
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 2 : non-acoustical characteristics
参考页数:17P.;A4
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道路交通噪音降低设备.长期效能评估程序.第1部分:声学特性
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1 : acoustical characteristics
参考页数:17P.;A4
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测量加速道路车辆发出的噪声. 工程方法. 第1部分: M和N类
Measurement of noise emitted by accelerating road vehicles - Engineering method - Part 1 : M and N categories
参考页数:84P.;A4
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