The article expatiates in four parts .

全文分四个部分进行阐述。

Abstract : this article expatiates the concepts of facilities planning and flow .

摘要：本文阐述了设施规划和流程的相关概念。

The article expatiates on a better gas meter distribution which can effectively control it from the source .

文章阐述了一个好的配表方案，可以极为有效地从源头上控制产销差。

This paper expatiates the necessity of develop railway modern logistics as well as the opportunities that traditional transportation transforms to modern logistics .

本文阐述了铁路发展现代物流的必要性，以及铁路由传统运输向现代物流转化的契机。

Part three expatiates counterplan of network communication between teachers and students from the forms , content and basic strategy of network communication .

第三章从沟通的形式、内容和基本策略三个方面阐述师生网络有效沟通的对策。