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本文通过分析国内外常用的零件信息描述方法，根据近年来兴起的基于特征设计思想，建立了基于特征的零件信息描述模型，并应用于箱体类零件数控加工微机自动编程系统中，得到良好的人机交互界面。
Based on the characteristic design idea that arises in recent years, this paper builds a feature-based description model of part information and applies it to microcomputer automatic programming system of CNC machining of box-type parts, and obtains a good Interactive interface.