模型空间与图纸空间中的绘图处理

Drawing in model space or paper space

讨论了模型空间与图纸空间中绘图的原理、方法 ,分析了它们各自的特点 ,指出了它们各自的适应场合 。

Discusses the principle and method of drawing in model space and paper space,analyses their characteristic,shows clearly the difference between the two and their application scope.