PowerMILL中的模型、层和用户坐标系

Model,Layer and CCS in the PowerMILL

本文主要介绍在PowerMILL中模型的输入、输出和编辑以及残留模型的定义，另外还介绍层和用户坐标系的使用方法。

In the article, we not only introduce input, output and edit of model but also introduce the defination of rudimental model .Otherwise we intruduce how to use layers and CCS.