而获取零件特征信息是编制规范化工艺方案的关键。
Extracting parts feature information is a crucial part of establishing standardization process planning document.
通过分析组成装配体的零件特征，提出了连接结构的概念。
By analyzing the features of assembly's parts, concept of connecter-structure was proposed.
对零件特征按加工过程中几何拓扑结构以及功能进行分类和定义。
The part features were classified and defined according to the geometric topology and functions in part machining.
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