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介绍了ＡｕｔｏＣＡＤ软件的几种扩充方式，提出了用ＡｕｔｏＣＡＤ内部的Ｃ语言开发系统ＡＤＳ建立绘图模块库的方法。利用该绘图模块库可以简便地编制各种机械零件工作图的绘图程序，将绘图应用程序编译成可执行文件在ＡｕｔｏＣＡＤ环境下运行，从而既利用了ＡｕｔｏＣＡＤ环境强大的图形显示和编辑功能，又利用了Ｃ语言的结构化编程、运行效率高的优势，并可达到参数化绘图的目的。
Introduced a few kinds of expansion methods of AutoCAD software, put forward the method of building the drawing module library with AutoCAD internal C language development system. The drawing module library can be used to draw a variety of mechanical parts drawing of the drawing process, the drawing application compiled into an executable file to run in AutoCAD environment, which not only make use of AutoCAD environment powerful graphical display and editing capabilities, but also use C language structured programming, the advantages of high operating efficiency, and can achieve the purpose of parametric drawing.