文档介绍：PDSOF T使用手册《 AutoCA D相关知识》目录 1 使用手册—— AUTOCAD 相关知识北京中科辅龙计算机技术有限公司编 2004 年1月 PDSOF T使用手册《 AutoCA D相关知识》目录 1 目录第一章 UCS 坐标系.............................................................................................. 3 1. UCS 坐标系基本概念: ................................................................................. 3 2. UCS 坐标系命令: .................................................................................. 3 1)进入 UCS 命令: .................................................................................. 3 2) UCS 命令选项: .................................................................................. 4 ( 1) Origin ...................................................................................... 4 ( 2) ZAxis ....................................................................................... 4 ( 3) 3point ....................................................................................... 4 ( 4) Object ...................................................................................... 4 ( 5) View ........................................................................................ 5 ( 6) X.............................................................................................. 5 ( 7) Y.............................................................................................. 6 ( 8) Z.............................................................................................. 6 ( 9) Prev ......................................................................................... 7 ( 10) Save ......................................................................................... 7 ( 11) Restore ..................................................................................... 7 ( 12) Del ........................................................................................... 7 ( 13) ?............................................................................................... 7 3)练****.................................................