本文提出一种新的铁路纵断面优化设计方法。

In this paper, a new method of railway profile optimization design is presented.

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本文提出了一个铁路线路平面、纵断面优化设计的新方法。

This paper presents a new method for the optimization of alignments in rail - way design.

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叙述了低路堤高速公路纵断面优化设计数学模型，采用面向对象的编程思想编制的算法实现程序。

The optimized mathematic model for the light fill expressway realizes the program using objects algorithm, which has proved to be effective in engineering practice.

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