声学 声压法测定噪声源声功率级 混响场中的小型可移动声源工程法 第2部分:专用混响测试室法
Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering methods for small, movable sources in reverberant fields—Part 2: Methods for special reverberation test rooms
发布日期:
2025-08-01
实施日期:
2026-02-01