轮轨的相对滑动速度越高，其热效应越明显。

Higher sliding speed leads to stronger thermal effects.

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测量结果表明，在极低速状态下，仪表齿轮齿面间的摩擦系数几乎与齿面间的作用力无关，但随齿面相对滑动速度的增加而线性增加。

Results show that the frictional factor almost has nothing to do with applied forces, but increases linearly with the sliding speed between the tooth faces.

youdao

测量结果表明，在极低速状态下，仪表齿轮齿面间的摩擦系数几乎与齿面间的作用力无关，但随齿面相对滑动速度的增加而线性增加。

Results show that the frictional factor almost has nothing to do with applied forces, but increases linearly with the sliding speed between the tooth faces.

youdao