linear motion

汉语翻译

例句：

1. A rapid linear motion of a particle or of an elastic solid about an equilibrium position.
   振动在一个平衡位置附近一个粒子或弹性固体迅速的直线运动
2. A spin that tends to retard, arrest, or reverse the linear motion of an object, especially of a ball.
   回旋使一个做直线运动的物体减速、停滞或倒转的一种旋转，尤指一个球