本文首先采用基于逆向工程的特征和约束的方法来构建脚模曲面，建立脚模特征参数模型。
Firstly, based on feature and restriction in the Reverse Engineering, construct all-purpose surface of feet and found parameterized model.
阐述了基于特征和约束的参数化驱动技术建立图形库的方法。
This paper presents the method of establishing graphics library driven by the features and constraints parameterization technique.
该需求本体的要素有角色、特征、参数和约束。
This ontology consists of parts, features, parameters and constrains.
该需求本体的要素有角色、特征、参数和约束。
This ontology consists of parts, features, parameters and constrains.
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