Sound intensity is vector, so it is meaningful to obtain 3-d sound intensity for identifying noise sources.

声强是矢量，因而获取三维声强对于噪声源识别具有重要意义。

youdao

Sound intensity is vector, so it is meaningful to obtain 3-d sound intensity for identifying noise sources.

声强是矢量，因而获取三维声强对于噪声源识别具有重要意义。

youdao