中文摘要：

自中国加入世界贸易组织以来,中美双边农产品贸易呈现稳步增长态势,但两国各自的增长幅度和增长成因有所差异。在农产品资源禀赋分类的基础上,对中美农产品贸易格局进行分析,并利用边际产业内贸易指数,对中美双边农产品贸易增长成因进行了实证分析。结果显示,中美双边农产品贸易符合各自的要素禀赋特征;2001年～2011年,双边农产品贸易增长中多数年份主要是由产业间贸易引致,而2006年～2009三个年度由产业内贸易引致的增长又以水平产业内贸易为主,中美农产品贸易的持续增长需要提升双边农产品的产业内贸易水平。

英文摘要：

Since China＇s accession to the WTO,the Sino-US bilateral trade in agricultural products has shown a steady growth,but the growth of the two countries and the causes are different,and the pattern of trade has also undergone some changes.On the basis of agricultural products trade resource endowments classification,this paper analyzes Sino-US agricultural trade pattern,and conducts an empirical analysis of the causes of growth of Sino-US bilateral trade in agricultural products by using marginal intra-industry trade index.The results show that the Sino-US bilateral trade in agricultural products is in line with their respective factor characteristics;between 2001-2011,the growth of bilateral trade in agricultural products are caused by the inter-industry trade mainly,and during the three years of 2006-2009,horizontal intra-industry trade is the main model;continuous growth of Sino-US agricultural products trade calls for a enhancement of intra-industry trade level of bilateral agricultural products.