Based on the theory of fuzzy clustering and subjective trust coordination model, the paper proposes dynamic definition of trust class, which provides the basis of trust evaluation between entities.

结合主观信任协作模型，引入模糊聚类理论，提出了基于模糊聚类的信任类型动态定义机制，为各主体之间的信任评估提供了依据。

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The weighting was gathered by relative indexes in comprehensive clustering; the indexes could by received by using fuzzy analysis method and expert experience evaluation.

其相应指标在综合聚类中得权重，可采取模糊分析等方法由专家经验估算后给出。

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A fuzzy comprehensive evaluation model of emergency materials is established and hierarchical clustering method is used to identify different types of emergency materials reserve pattern finally.

通过建立应急物资模糊综合评价模型，结合层次聚类方法对数据分析，确定不同种类应急物资的储备模式。

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