The optimum ma-chine index (ration of screen acceleration to acceleration due to gravity) can be adjusted to each particular application by means of the variable out-of-balance force.
对于每一个具体的应用案例。可以通过调节偏心力获得最优的设备运行参数{筛分加速度和重力加速度的比值！
2
Touch and hold anywhere on the screen to move Jimmie upward, and upon releasing the touch, gravity will bring him down.
触摸和持有任何地方在屏幕上移动吉米向上，在释放触摸，重力会把他放下来。
3
It is introduced the method to design centre of gravity of straight-line vibrating screen with computer program on a PC-1500 microcomputer in this paper.