The wheel-rail contact geometry relationship is different when different wheel tread shape matches the same rail, which will influence the dynamic performance of the vehicle.
不同的车轮踏面形状与同一钢轨匹配时具有不同的轮轨接触几何关系，影响车辆的动力学性能。
Rail-wheel contact stress depends to a large extent on the matching of rail-wheel geometry parameters.
轮轨接触几何参数的匹配优劣直接影响着轮轨接触应力值的大小。
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