Some basic concepts about the feature technique are expounded, information description method for box part based on feature is presented.
阐述特征技术基本概念，提出基于特征的箱体零件信息描述方法。
Some basic concepts about the feature technique are expounded, information description method for box part based on feature is presented.
阐述特征技术基本概念，提出基于特征的箱体零件信息描述方法。
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