The fuzzy set theory is applied to define the parameters of assessment model as triangular fuzzy parameters to establish a fuzzy risk assessment model for environmental health.
运用模糊集理论将风险评价模型的参数定义为三角模糊数，构建了水环境健康风险评价模糊模型。
The new method quantifies the time parameters with L-R triangular fuzzy number, and identifies the critical path through ranking method of fuzzy number.
新方法将L-R三角模糊数引入到网络时间参数计算，并且采用模糊数大小排序的方法确定关键线路。
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