1.Such a collective mode is not excited by a projectile with the same mass to change ratio as the target.
这种模式不能从与靶核有相同荷质比的入射核子激发出的。
2.So, this article uses the change ratio of the pixel number to realize the automatic currency check of raster graphic data.
采用像素数的变化比率的方法来实现半自动栅格地图数据的现势性检查。
3.Eliminate mechanically connected gear pumps, backlash and the need to manually change gears in order to change ratio.
消除齿轮泵机械连接的反应，以及需要手动换档来改变比率的特性。
4.The speeder for crank-swinging bicycle without middle axle can make the speed change ratio reach to 10-99 times.
一种曲柄摆动无中轴自行车的增速装置，可使变速比达到10至99倍。
5.On the Effect of Speed-change-ratio and Circular Ball Steering Device for Vehicles
变速比循环球汽车转向器的效率研究