When the environmental standards in urban scenic parks have not been put forward at present, this method is important for correct assessment of the environmental noise quality of scenic parks in city.
在目前尚未对城市风景旅游公园建立专门的噪声标准的情况下，这一评价方法对正确评估城市风景旅游公园的声环境质量有积极的实用意义。
This paper introduces the calculating method and procedure of the fuzzy similarity ratio in the environmental quality assessment of groundwater.
本文介绍模糊相似比在地下水环境质量评价中的计算方法及步骤。
Based on grey collection, grey collection analysis method is pointed out and applied to assessment of soil environmental quality.
以灰色聚类为基础，提出了灰色模糊聚类分析法，并将其应用于土壤环境质量评价中。
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