Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度，它等于通过与能流方向垂直的单位面积上的声能量。
It is shown that it is the irrotational component of the active intensity that transfers sound energy in sound field.
在声场中真正传递声能量者仅是有功声强中的无旋分量。
The surface sound intensity is used to describe the acoustic energy radiation from a vibrating surface and the sound intensity is used to describe the acoustic energy transfer in the acoustic field.
采用表面声强描述振动声源表面的声能量辐射，采用声强描述声能量在声场中的传递。
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