本文讨论了对UG进行二次开发利用参数化特征建模方式建立标准件库的方法-This article discusses the development and utilization of secondary UG parametric feature modeling approach to establish the method of standard parts library

基于UG的直齿圆柱齿轮的参数化设计，用于UG的二次开发。-UG Parametric Design of spur gear based on UG for secondary development.