使用AutoCAD进行地形图测绘高级开发的参考书，对于基于LISP二次开发的人员具有重要使用价值。-Topographic mapping using AutoCAD for advanced development of reference books, for the secondary development of LISP-based staff have an important value.

AutoCAD 2000 三维造型高级培训教程 一些三维线框模型-AutoCAD 2000 3D modeling advanced training tutorial some three-dimensional wireframe model