By analysis of the concept, expression, classification and solution of the constraints, the method of (parametric) design for pattern is discussed further with an example of the front of Qipao.

结合约束的概念、分类、表示及其求解的分析，并以旗袍前襟为例，对服装纸样参数化设计方法作了进一步的探讨。

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The model is characterized by the non-parametric test. With the method of two-staged classification process, the paper discriminated the credit conditions of enterprises .

该模型具有非参数检验特性，通过两阶段分类过程对企业信用状况进行判别。

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