农业水价调整对解决华北平原水资源短缺的有效性分析——河南省封丘县农业水价调查分析
농업수개조정대해결화북평원수자원단결적유효성분석——하남성봉구현농업수개조사분석
Effectiveness of Agricultural Water Pricing on Solving the Water Shortage of North China Plain:A Case study in Fengqiu County of Henan Province
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