q=%E8%B4%B8%E6%98%93%E4%B8%AD%E7%9A%84%E5%BC%95%E5%8A%9B%E6%A8%A1%E5%9E%8B%EF%BC%9A%E7%90%86%E8%AE%BA%E5%9F%BA%E7%A1%80%E4%B8%8E%E5%AE%9E%E8%AF%81%E5%BA%94%E7%94%A8%EF%BC%9Atheoretical+foundation+and+empirical+evidence&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=NS&searchWay0=marc&logical0=AND
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贸易中的引力模型：理论基础与实证应用：theoretical foundation and empirical evidence