噪音测试方法 [已经解决]

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求噪音测试方法，急！

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噪音测试标准

ISO 3743-1:1994
Acoustics - Determination of sound power levels of noise sources -
Engineering methods for small, movable sources in reverberant fields -
Part 1: Comparison method for hard-walled test rooms

BS EN ISO 3743-2:1997 (BS ISO 3743-2:1994 + Amd 1)
Acoustics - Determination of sound power levels of noise sources -
Engineering methods for small, movable sources in reverberant fields -
Part 2: Methods for special reverberation test rooms

BS EN ISO 3743-1:1995 Incorporating Amendment No. 1
Acoustics — Determination of sound power levels of noise sources —
Engineering methods for small, movable sources in reverberant fields —
Part 1: Comparison for hard-walled test rooms

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