分析货物列车指标的统计现状及重要性，介绍基于区段货物列车指标统计系统的目标和功能。

It was analyzed the current situation and essentiality of freight train indices statistics, introduced the aim and the function of the System for freight train based on sections indices statistics.

youdao

分析货物列车指标的统计现状及重要性，介绍基于区段货物列车指标统计系统的目标和功能。

It was analyzed the current situation and essentiality of freight train indices statistics, introduced the aim and the function of the System for freight train based on sections indices statistics.

youdao