Since a command line interface cannot provide graphic pictures of the file system structure, it must have a different way of representing it.
既然命令行界面不可以将文件系统结构以图形化的方式表示出来，那么，它一定有另外一种表现方式。
This paper describes a design of a common and scalable adjusting system for train graph, including the design of data structure, graphic displaying and adjusting operation.
该文讨论了一种可复用和易扩展的运行图调整系统的设计，其中介绍了包括数据结构、图形显示及调整操作的设计。
On the basis of electrical connect graph drawn, the generally used method of graphic modeling of power system and the automatically identification of power network topology structure are studied.
研究了基于所绘电气接线图的电力系统通用的图形化建模方法，以及电网拓扑结构的自动识别。
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