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介绍互通立交桥的AutoCAD二次开发设计大纲,从系统研制的目的,对象和内容来说明此软件开发的价值,并且详细介绍此软件的设计流程。
This paper introduces the secondary development and design outline of the interchange of overpass, describes the value of this software development from the purpose, object and content of system development, and introduces the design flow of this software in detail.