The paper presents the implementing methods of graph-picture management sub-system in traction power supply management system by adopting multi-tier distribution structure technology.

介绍了采用多层分布式技术实现牵引供电运营管理系统中图形图片管理子系统的方法。

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The whole idea was that the speaker would talk for a while, and then occasionally show a slide that illustrated a point with a picture or a striking image, or made a set of numbers clear with a bar graph or a pie chart.

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