AutoCAD中几个常用查询命令的使用方法

在使用AutoCAD软件绘图时，经常需要对实体特性进行查询，并根据实际要求进行相应的修改。实体特性主要包括几何特性（如长度、位置、形状等）和状态特性（如颜色、图层、线宽等）。AutoCAD提供了多种查询特性的方法，文章对几个常用查询命令的使用方法进行简要介绍。

Commonly Used Query in AutoCAD

In the use of AutoCAD drawing software, it often need to query on physical characteristics,and make corresponding modification according to the actual requirements.Entities including geometric properties (such as length,position,shape,etc.), and state properties(such as color, layout, line width,etc.)AutoCAD provides a variety of ways to query characteristics,and the ar-ticle briefly introduces several commonly used query command methods.