采用主成分分析法(PCA)，对大沽夹河流域水质进行了定量化综合评价。

The water quality in Dagujia River basin was assessed by using the PCA method.

youdao

采用主成分分析法(PCA)，对大沽夹河流域水质进行了定量化综合评价。

The water quality in Dagujia River basin was assessed by using the PCA method.

youdao