Stand-still traffic, air pollution, crowded streets, endless gray sidewalks. Sound familiar?
交通停滞、空气污染、马路拥挤、无休无止的灰色人行道。是不是听着耳熟?。
Relationship analysis method of gray system theory was adopted to compare and estimate municipal noise pollution situation in this paper.
采用灰色系统理论的关联分析法，对城市噪声污染状况进行综合比较评价。
This paper puts forward a model for the appraisal of hazard degree of pollution origins in oilfield development which combines fault tree analysis and gray connection degree analysis.
针对油田开发污染源存在危险度，提出一种将灰关联度分析与故障树分析相结合的危险度评价模型。
This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.
运用污染负荷比和灰关联法递阶分析了矿山地下水污染物的主从关系，确定了矿山地下水的主要污染指标；
Air quality levels are analyzed in each city use of gray statistical strategy. The type of urban air pollution is judged by burden rate, which is calculated by the Shanghai air quality index.
利用灰色统计模型分析了各城市空气质量等级，用上海大气质量指数法计算出污染负担率，然后根据污染负担率判断城市空气污染类型。
Water color becomes henna from gray and back. Using microbial flocculation does not cause second pollution and the cost of water treatment declines greatly.
SS去除率达到88% ，水的颜色由灰黑色变成红褐色液体，更为重要的是微生物絮凝剂无二次污染，且吨水处理的成本大大降低。
To get the main affecting factors of each area, the author compared affecting factors of industry pollution in the Eastern area, the middle area and the western area by gray relevancy analysis.
山东省不同区域的环境污染状况差异显著，为此简要分析了山东省东、中、西部三大地区间的工业污染排放差异，并运用灰色关联法分析各地区工业污染的主要影响因素及效应。
To get the main affecting factors of each area, the author compared affecting factors of industry pollution in the Eastern area, the middle area and the western area by gray relevancy analysis.
山东省不同区域的环境污染状况差异显著，为此简要分析了山东省东、中、西部三大地区间的工业污染排放差异，并运用灰色关联法分析各地区工业污染的主要影响因素及效应。
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