When the stream is collisional, the negative energy nature changes to negative dissipative nature 流束存在碰撞时，负能性质改变为负耗散性质。收藏
The existence of resonance is dependent on whether the wave-energy accumulative processes are greater than the dissipative processes 共振条件是否存在，取决于波能累积过程是否大于消散过程。收藏
