The cyclical iteration model and its combined models can be used for not only water resources system, but also other fields.
循环迭代模型及其多种组合模型，不仅可用于水资源系统，对其他学科领域模糊集分析同样适用。
With the minimum square sum of weighted Euclidean distances as the objective function, the unified theory and cyclical iteration model of fuzzy cluster, recognition and optimum decision are founded.
通过以全体样本对全体类别加权广义欧氏权距离平方和最小为目标函数，建立了模糊聚类、识别与优选决策统一的理论与循环迭代模型。
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