基于特征的零件信息描述方法的研究与应用天津大学机械系郧建国，杜君文，梁童武主题词：零件，特征，信息描述１概述零件的的几何与工艺信息的描述及输入是人机交互式自动编程系统的重要内容之一。随着微电子技术和数控技术的飞速发展，国内外专家学者对这方面的研究越来... Research and application of feature-based information description of parts information Department of Mechanical Engineering, Tianjin University Yun Jianguo, Du Junwen, Liang Tongwu Key words: parts, features, information description 1 Description of parts geometry and process information description and input is man-machine interactive automatic programming One of the important parts of the system. With the rapid development of microelectronic technology and numerical control technology, domestic and foreign experts and scholars in this area more and more ...