实施西部大开发战略 ,加快中西部地区经济发展 ,关系到全国的经济发展、民族团结、社会稳定 ,关系地区经济协调发展和最终实现共同富裕 ,也是实现第三步战略目标的重大举措。国家支持西部发展 ,主要通过安排重大基础设施项目、给予优惠政策等措施 ,为西部提供良好的外部环境。 Implementing the strategy of developing the west as well as speeding up the economic development in the central and western regions has a bearing on the country’s economic development, national unity, social stability, the coordinated development of the regional economy and the eventual realization of common prosperity. It is also a major move to achieve the third-phase strategic goal. The state supports western development by providing major infrastructure projects and preferential policies to provide the western region with a favorable external environment.