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建筑排水管道系统噪声测试方法
Measurement of noise from building water drainage piping system
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通用机械噪声声功率级现场测定.声强法
Determination of sound power levels for noise emitted by general machinery at the work station.Sound intensity method
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民用机场噪声计算和预测规范
Calculations and predictions of airplane noise around airports
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温度和温度函数的大气噪声吸收标准值
Standard values of atmospheric noise absorption as a function of temperature and humidity
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亚音速喷气飞机噪声合格审定.飞行试验等效程序
Equivalent flight test procedures for the noise certincation of subsonic jet powered aeroplane
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声学--工作环境中噪声暴露的测量和评价准则
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制冷和空调设备噪声的测定
Determination of noise emitted by refrigeranting and air conditioning equipments
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航空材料和构件的混响室法吸声系数测量
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航空材料和构件的混响室法隔声测量
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