Regulation for milk involved classification according to use.
牛奶的管理规则包括按用途分级。
In this paper, the grey forecasting is united with the fuzzy synthetic assessment to determine the regional classification problem for the regulation and planning of groundwater quality.
本文将灰色预测与模糊综合评判相结合，解决地下水质管理和水质规划中的分区问题。
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