The CAD system is a application program that developed by utilizing Object-oriented developing instrument Visual 6. 0 ++ and Object ARX2000 baseded on AutoCAD platform software package.

• 本CAD系统是利用可视化的面向对象开发工具Visual C++ 6.；0和基于AutoCAD平台的Object ARX 2000软件包的支持而开发的应用程序。