rubbing speed

例句：

1. 1. The car's acceleration is determined by the friction between the tires and the road.
   汽车的加速度由轮胎与路面之间的摩擦决定。
2. 2. The researchers found that the rubbing speed of the material had a significant impact on its wear resistance.
   研究人员发现，材料的摩擦速度对其耐磨性有显著影响。
3. 3. The engineer optimized the design to achieve a higher rubbing speed without compromising durability.
   工程师优化设计，以实现更高的摩擦速度而不牺牲耐用性。