The introduction is about significance, current situation, train of thought, methods and resources of the study.

绪论部分介绍本文的研究旨趣、研究现状、研究思路、研究方法、研究资料。

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The first part is introduction, pointing out the thesis's study background, study significance, home and abroad current research situation and explaining the train of thought and study method.

第一部分为导论，介绍本文的研究背景、研究意义和国内外相关研究近况，并阐明本文的研究思路及研究策略。

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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.

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。

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