AutoCAD2000 and AutoCAD2002 provide two types of circumstance for the users:WCS(World Coord:nate system) and UCS(User Coord:nate system).

• AutoCAD2 0 0 0和AutoCAD2 0 0 2为用户提供了两种绘图环境 :世界坐标系WCS(WorldCoord :natesystem)和用户坐标系UCS(UserCoord :nateSystem)。