讨论了如何利用AUTOCAD的软件接口图形交换文件开发冷冲模CAD系统，对冷冲模CAD系统的主要模块，数据结构进行了详尽的描述．。

This paper introduces a way how to develop cold punched dies CAD system with AUTOCAD software interfaces, The main model and data structure is described in detail.

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该系统的软件采用层次模块结构。 它包括图象输入、图象输出、图象处理、图象编辑、图象分析、图形处理以及图象数据库。

The modular construction, used in the software of the system, consists of image input, output, processing, editing and analysing units as well as image database and graphics processing device.

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该软件包括用于绘制电力系统接线图的图形模块、数据库模块和进行整定计算的图形化整定计算模块。

The software includes three modules, i. e. the graphics module, the database module and the graphical setting computation module. The three modules integrate into a whole system.

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