Considering the three parts of China, the eastern, central and western regions, this paper studies the shift trends of economic emphases in these areas during 1995--2010. It is shown that the emphasis of the eastern region moved from north to south and then turned back to the north again, while the central region followed a south-north-south pattern, and the western region showed a persistent northward trend. Based on these observations, forecasts of the future trend can be made. It is stressed that development of the south provinces in the western region must be speeded up. Effects of the ＂three demands＂ on the growing GDP are analyzed, and a theoretical foundation is laid for narrowing the inter-regional differences and promoting the economical pro- gress of all regions.%将我国分为东、中、西3大区域，分别分析其1995-2010年经济重心的演变轨迹，分析显示东部地区经济重心先南移后北移，中部呈现“南北一南”趋势，而西部经济重心则持续北移，并据此趋势预测未来演变态势。强调加快西部地区南部省区的建设，深入分析拉动GDP增长的“三驾马车”对3大地区的不同影响，为缩小地区经济差距及协调区域发展提供理论依据。
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