利用线性节点及阈值节点进行模式分类，将输入空间的精确变量转换为输出模糊空间的变量。
The PNN applies the linear nodes and threshold nodes to make the modes assortment, and converts the exact variates in input analytical space to variates in output FUZZY space.
确定零件组的参考模式是零件分类系统的关键问题。采用模糊聚类分析法，解决了这一难题。
To define the part cluster reference patterns is the key in part classification system. The problem has been solved successfully by using fuzzy cluster analysis.
应用模糊集合理论，构成隶属函数对四声进行模式分类。
Using the theory of fuzzy sets the membership function is adopted for the four tone pattern classification.
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