阐述了人工神经网络基本原理，介绍了BP网络的地下水水质评价模型。
BP network model of groundwater quality assessment based on the calculation of BP neural network is presented.
实例表明，将此网络模型应用于城市地下水水质评价是有效的、可行的。
The results indicate that the application of integrated BP network to the evaluation of municipal groundwater quality is successful.
其次，构建了太原市地下水水质集对分析评价模型，并将该模型运用于太原市地下水水质评价。
Secondly, groundwater quality set pair analysis and evaluation model was built and applied to the groundwater quality evaluation in Taiyuan.
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