By analyzing the soft ware junction between AutoCAD and advanced language, several wags of realizing parametrization drawing of standard pieces and pieces in common use in AutoCAD are discussed, gears being an example. 通过分析AutoCAD与高级语言之间的软件接口,以齿轮为例,讨论了在AutoCAD中实现标准件和常用件参数化绘图的几种途径。