coefficient of sliding friction

例句：

1. 1. The coefficient of sliding friction is a crucial factor in determining the performance of a material under load.
   滑动摩擦系数是决定材料在受力下性能的关键因素。
2. 2.In designing a new car, engineers must consider the coefficient of sliding friction between the tires and the road.
   在设计新汽车时，工程师必须考虑轮胎与道路之间的滑动摩擦系数。
3. 3. The coefficient of sliding friction can vary greatly depending on the surface condition of the material.
   滑动摩擦系数可以根据材料的表观条件有很大的变化。