美国农产品产销变化特征及对中国的影响——以玉米为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-9972|volume|2|32-34

ISSN: 1009-9972

Source: 中国经贸, Vol.volume, Iss.2, 2016-01, pp. : 32-34

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Abstract