Thinking of the fuzziness of river health, it fixed index weight through layered binary compared expert analysis method, and evaluated river health by multi-objective fuzzy model.

考虑河流健康的模糊性，采用二元对比专家分析法确定指标权重和多目标模糊评价模型给予评价。

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For the consideration of the fuzziness of limit states, the method of probabilistic integral is used for the calculation of fuzzy failure probability and fuzzy random reliability index.

对于极限状态的模糊性，基于概率积分法研究了模糊破坏概率及模糊随机可靠指标的求解方法。

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