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1·It provides the testing program of planar bearing rolling friction.

给出了平面轴承滚动摩擦试验方案。

2·Its crucial idea is to use the rolling friction to replace the sliding friction.

它的中心思想是：滚动磨擦代替了滑动磨擦。

3·If rolling friction is substituted for sliding friction, the friction will be considerably reduced.

如果滚动摩擦代替了滑动摩擦，摩擦力将大大减少。

4·The rolling friction is substituted for sliding friction results in a considerable reduction in friction.

如果滚动摩擦代替了滑动摩擦，摩擦力将大大减少。

5·The rotary wheel can conduct rolling friction with wheel hubs, and can also conduct rolling friction with tyres.

转动轮可与轮毂滚动摩擦，也可与轮胎滚动摩擦。

6·The pinch roller device adopts rolling friction. Its working pressure can be adjustment in accordance with the requirement of tablet to be pressed.

压轮装置采用滚动摩擦，其工作压力根据压片要求可在范围内进行调节。

7·Upon the theory of hot elastohydrodynamics about part film load bearing, the sliding and rolling friction forces in gear transmission device can be calculated.

运用部分膜承载热弹流理论计算齿轮传动中的滑动摩擦力和滚动摩擦力。

8·The double moved cylinder pretreating-machine clears away the nonidentical substance adhering to the surface of lump-shaped objects via centrifugal rolling friction collision.

双动滚笼式螺旋预处理机是通过对块状物体的离心滚动摩擦碰撞，清除其表面的非同质附着物。

9·The formula for calculating the rolling friction factor was developed and established. Based on the analysis of central force action, the formula for circumferential force action is developed.

在完成中心动力作用下的摩擦系数计算公式后，继续用计算法确定周动力作用下的滚动摩擦系数。

10·For a ball rolling across the floor, that outside force could be the friction between the ball and the floor, or it could be the toddler that kicks the ball in another direction.

对于一个在地面上滚动的球而言，外力可能是球与地面之间的摩擦力或者幼童相反方向踢球产生的力。