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 (ISO 3743-1:1994)
声学噪声源声功率级的测定混响场中小型可移动声源的工程方法第1部分:硬壁试验室的比较法