一、基地建设背景１．实施西部大开发战略，是党中央总揽全局，面向２１世纪作出的重大决策。西部大开发战略实施，必须突出重点，在一段时期内国家将重点支持能产生较好投资效益和较好辐射功能的城市或地区。这些城市和地区主要有两类，一类是西部现有的经济中心城市，一般为? First, the base construction background 1. The implementation of the strategy for developing the western region is a major policy decision taken by the party Central Committee in the overall situation and the 21st century. In implementing the strategy of developing the western region, we must give prominence to the key points. For a certain period of time, the state will give priority to supporting cities or regions that generate better investment returns and better radiation capabilities. These cities and regions are mainly two types, one is the western existing economic center city, generally?