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中文摘要：
利用2003～2005年全国20多个省（区）的农业统计年鉴,以产量优势指数、规模优势指数、集中度优势指数和综合优势指数分析了我国部分省（区）马铃薯生产比较优势状况,并通过GIS软件Acrview在1：4000000的地图上进行了空间表达。结果表明：我国马铃薯在单产、规模、集中度、综合反映上具有比较优势的省（区）分别有13个、9个、13个、11个。单产比较优势（省区）主要集中分布于我国西北、东北及与之相连的内蒙古等部分省（区）。规模优势区、集中度优势区、综合优势区分布大致相同,主要分布于我国西南（滇、黔）、西北、东北（黑、吉）的部分省（区）。
英文摘要：
Based on the previous research on comparative advantage of potatoes, the unit yield, scale, concentrated extent and integrated comparative advantage index were calculated from the data of more than 20 provinces nationwide in potato production between 2003 and 2005. The information illustrated the distribution of comparative advantage of potato production in China. The various comparative advantage category of the provinces was expressed visually on the 1：4 000 000 scale map with Arcview, a GIS software. It indicated that there were 13 provinces of comparative advantage in unit yield, 9 in scale, 13 in concentrated extent and 11 in integrated advantage. The provinces of unit yield comparative advantage were distributed primarily over northwest, northeast and Inner Mongolia in China. The distribution of scale, concentrated extent and integrated comparative advantage provinces was similar. They are located in some provinces of southwest （Yunnan and Guizhou ）, northwest, and northeast in China.
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