Methods Introducing the Fuzzy information diffusion method to evaluate the water environment quality of Xi′an city, and using correspondence analysis to analyze the main pollution cause of sections.
方法首先采用一维模糊信息分配方法对水环境质量进行评价，其次应用对应分析法对各断面的污染成因进行分析。
And the study on application of lead isotope tracing for city environment pollution sources can get a good result.
铅同位素示踪理论应用于城市环境污染源的研究，能够取得比较理想的结果。
Based on the historical and present monitoring data, the underwater topography, deposits, pollution sources and water environment quality of Kuncheng Lake of Changshu City were studied.
结合历史数据和现状调查，对常熟市昆承湖水下地形、沉积物、污染源和湖泊水环境质量现状进行了研究。
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