振动系统中的质点运动受大小与质点的速度成正比而方向相反的阻力引起的能量损耗
In a vibration system, the movement of particles is subject to energy loss caused by resistance that is proportional in magnitude to the velocity of the particles but in the opposite direction
以上为机器翻译结果，长、整句建议使用 人工翻译 。