浅谈常用二维CAD软件特点

Talk about the features of two dimensions CAD

目前 ,市场上流行各种版本的两大类CAD二维设计和绘图软件 ,一类为国内软件公司自主开发的CAD软件 ,另一类是以国外公司开发的CAD软件为平台二次开发的CAD软件 ,现介绍一下这两类软件各自功能及特点 。

At present,there are two kinds of editions for two dinmensions CAD.One is independently developed by internal software company.The other is developed by internal software company basing on external software.In order to make every user preferably choose two dimensions CAD,this paper present introduces features about two kinds of CAD.