The two friction values are averaged.

使用两个摩擦力的均值。

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While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.

轮轨表面的污染层也会影响粘着系数的变化，它避免了轮轨表面直接接触，有利于减少磨损。

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Thetransition between static and kinetic friction is defined by the values given at intermediate slip rates.

静动摩擦系数间的转换定义为给出的中间滑移率的值。

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