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基于引力模型的中国虾产品出口影响因素分析
宁夏 孙琛
The Analysis of Factors Influencing the Export of China Shrimp Products Based on the Gravity Model
中国农学通报 . 2013, (5): 81 -85 .  DOI: 10.11924/j.issn.1000-6850.2012-3188