q=%E5%86%9C%E5%9C%B0%E7%94%9F%E4%BA%A7%E6%95%88%E7%8E%87%E7%A0%94%E7%A9%B6%EF%BC%9A%E4%BB%A5%E9%BB%84%E6%B7%AE%E6%B5%B7%E5%9C%B0%E5%8C%BA%E4%B8%BA%E4%BE%8B%EF%BC%9Atake+huang%5C-huai%5C-hai+region+as+an+example&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=NS&searchWay0=marc&logical0=AND
rows=10&curlibcode=NS&searchWay0=marc&logical0=AND
农地生产效率研究：以黄淮海地区为例：take Huang-Huai-Hai region as an example