The valid tool to solve this type of problem is the fuzzy theory and level analytic method. Therefore, this paper USES level fuzzy decision model to solve it.
解决这类问题最有效的工具就是模糊理论和层次分析法，因此，本文采用层次模糊决策模型来解决此问题。
By using the level analytic method, we appraise the Dongjiang lake wetland benefit and its function, and obtain Dongjiang lake wetland benefit target system and weight analysis.
东江湖湿地是一个具有独特性质的人工水库型湿地，运用层次分析法对东江湖湿地效益及其功能进行评价，得出东江湖湿地效益指标体系，并进行权重分析。
For improving analytic method, ensuring liability of data and improving lab analytic level, quality control diagram is an effective and feasible way of management.
对改进分析实验方法、保证分析数据的可靠性、提高分析实验水平，利用质量控制图来管理是有效的和可行的。
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