coefficient of starting friction

例句：

1. 1. The coefficient of friction betweenthe two surfaces is crucial for understanding howthey interact.
   两个表面之间的摩擦系数对于理解它们如何相互作用至关重要。
2. 2. The coefficientof friction can be affectedby factors such as temperature andhumidity.
   摩擦系数可能受到温度和湿度等因素的影响。
3. 3. The coefficient of friction is ameasure of how easily one surface can slideover another.
   摩擦系数是衡量一个表面能否容易地滑过另一个表面的度量。