via. through,by way of

Puts forward the arithmetic to work out the special route of railway transport,adjusts the route based on the special requirement.

文中阐述了径路计算的概念,讨论了特定经由要求的构成,以及以此为基础的经由规则,提出了铁路运输特定经路算法,在满足经由文件要求对原路径进行调整的同时,保证了路径调整后最短,实现了铁路运输特定经由最短路径的求解,其对应的经由规则也易于检查与维护。

0, and improve the reasonable and validity in pass ticket marketing, it was studied the current structure of route maintainer from the route-create step, route-manage step and route-select step, analyzed the root reason about pass route which now was difference between passenger travel route and pass ticket route, and .

客票发售和预订系统中的经由维护是对通票业务中取通票的径路和里程进行维护的模块。