| 1. | Pulley bearings are frictionless .
滑轮轴承是无摩擦的。 |
| 2. | There is a frictionless hinge at c .
C点是无摩擦铰。 |
| 3. | In motion with a fixed frictionless constraint, no work is done by the constraint .
在固定的无摩擦约束运动中，约束力不作功。 |
| 4. | Figure 7－13(a) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall .
图713（a）表示一个人穿着无摩擦的有轮滑冰鞋站在水平平面上，面对着一堵坚硬的墙。 |
| 5. | Bubbles , crashes , and contagions in a frictionless market
无摩擦市场中的泡沫碰撞和蔓延 |
| 6. | Solving cloth frictionless contact problems by optimization algorithm
以优化方法求解布料无摩擦接触变形问题 |
| 7. | There is a frictionless hinge at c
C点是无摩擦铰。 |
| 8. | Research on a bullet ' s striking a frictionless block tied to a spring in two dimensions
二维空间下子弹击弹簧滑块的研究 |
| 9. | Frictionless decoupling of the minutes counter , when the chronograph function is not in use
计时器不起作用时，分钟计无磨擦去连接 |
| 10. | This applet demonstrates the effect of pressure by considering a gas particle in a frictionless piston
气体压力是由气体粒子的碰撞而产生。 |
