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西部地区包括四川、重庆、贵州、云南、西藏、陕西、甘肃、青海、宁夏和新疆等省、自治区和直辖市。区域面积达539万平方公里,占全国的56％;人口28228万余人,占全国的24％左右;少数民族人口众多,全国56个民族大部分分布在这里。 目前,制约西部发展的最主要因素是科技滞后。因缺乏有力的科技支撑,西部地区一些重大工程和区域发展计划难于推进;因科技
The western region includes Sichuan, Chongqing, Guizhou, Yunnan, Tibet, Shaanxi, Gansu, Qinghai, Ningxia and Xinjiang provinces, autonomous regions and municipalities directly under the Central Government. The area covers an area of 5.39 million square kilometers, accounting for 56% of the national total. The population is 282.28 million, accounting for about 24% of the national total. The ethnic minorities have a large population and most of the 56 ethnic groups in the country are distributed here. At present, the most important factor that restricts the development of the western region is the backwardness of science and technology. Due to the lack of strong scientific and technological support, some major projects in the western region and regional development plans are difficult to advance;