通过大量的历史数据，对珠江广州河段的演变和水环境质量的变化作了定性、定量分析。
Based on a great amount of historical data to analyze the evolution of Guangzhou reach of Pearl River and the changes of water environmental quality qualitatively and quantitatively.
旨在定量分析评价阜新地区集中饮用水源地水环境质量现状和存在的问题。
The aim of this paper is to make a quantitative analytic evaluation on the present situation and the problems of water quality existing in the central drinking-water source area of the Fuxin region.
旨在定量分析评价阜新地区集中饮用水源地水环境质量现状和存在的问题。
The aim of this paper is to make a quantitative analytic evaluation on the present situation and the problems of water quality existing in the central drinking-water source area of the Fuxin region.
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