中文说明：
迹线法计算轮轨几何关系程序，用于轨道车辆动力学计算，非常实用！
English Description：
Trace method to calculate the wheel rail geometric relationship program, which is used for the dynamic calculation of rail vehicles. It is very practical
Program for calculating wheel rail geometric relationship by trace method
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中文说明：
迹线法计算轮轨几何关系程序，用于轨道车辆动力学计算，非常实用！
English Description：
Trace method to calculate the wheel rail geometric relationship program, which is used for the dynamic calculation of rail vehicles. It is very practical