...光_百度空间 关键词 三角剖分，特征约束，自适应网格加密，曲面 [gap=620]Key words triangulation, characteristic constraint, adaptive mesh refinement, curved surface ...
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The connotation and characteristic of constraint in collaborative design of machine tool are analyzed. Conformation model of constraint network is demonstrated using EXPRESS-G.
分析了机床产品协同设计中约束的内涵和特点，并用EXPRESS - G图描绘了约束网络的结构模型。
The algorithm makes use of the characteristic of Lagrange relaxation method, and finds multicast tree satisfying constraint by constructing closure graph and making relaxation to this graph.
该算法充分利用拉格朗日松弛方法的特点，通过构建封闭图，对封闭图进行拉格朗日松弛求得满足条件的多播树。
The characteristic of the instantaneous stable structure is that the structure's freedom degree is equal to zero, but still the structure remains a redundant constraint.
瞬变结构的特点是尽管自由度等于零，但仍有多余约束。
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