The integrated quantitative evaluation on river water quality was made by principle components analysis and logarithm center method.
本文利用主成分分析和对数中心化的方法对江河水质进行综合定量评价。
Based on the principal component analysis theory, a water quality comprehensive evaluation model was established and was used to evaluate the water quality of the South Feihe River.
基于主成分分析理论，建立了水质综合评价模型，以南淝河为例，对南淝河的水环境质量进行综合评价。
MIMO and MISO models were established for the water quality of a sewage treatment factory by using the BP network improved, and both's comparison and evaluation analysis were carried out.
利用改进后的BP网络对某污水处理厂的进出水水质建立了MIMO和MISO模型，并进行了对比和评价分析。
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