一、西部概念与发展现状我国按经济发展水平的不同 ,将所辖区域分为东、中、西部地区。西部地区包括陕西、甘肃、青海、宁夏、新疆、四川、重庆、云南、贵州和西藏１０个省、市、区 ,面积５３８万平方公里 ,人口２ .７３亿。①与东、中部地区相比 ,西部地区是我国经济最不发达 I. The Concept and Development of the West At a momentous time, China has divided the areas under its jurisdiction into the eastern, central and western regions according to the different levels of economic development. The western region includes 10 provinces, cities and districts in Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang, Sichuan, Chongqing, Yunnan, Guizhou and Tibet with an area of ​​5.38 million square kilometers and a population of 273 million. Compared with the eastern and central regions, the western region is the most underdeveloped economy in our country