有功声强的无旋分量与表面声强有关，因此测量表面声强可避免有旋性的影响。

Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.

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有功声强的无旋分量与表面声强有关，因此测量表面声强可避免有旋性的影响。

Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.

youdao