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根据圆弧形检定断面和各级限界的特点，分析了它们之间的位置关系，建立了确定计算点位置及计算最小距离的数学模型，并编制了相应的计算机程序进行求解；对于准确判定货物超限等级和确定超限车运行条件具有重要意义
According to the characteristics of arc-shaped cross-section and boundary of each level, the relationship between them is analyzed, and the mathematical model of determining the position of calculating point and calculating the minimum distance is established and the corresponding computer program is compiled to solve. For the accurate judgment of the goods Overrun levels and determine the operating conditions of over-limit car is of great significance