２０世纪５０年代初期和 ６０、７０年代、我们国家都曾 先后进行过不同程度的西部 开发。而这一次的西部大开 发与以往不同，中央的思路 是清晰的，完全是在可持续 发展战略的指导下进行的。 并且把西部大开发的重点首先放在了基础建设、农业以及对生态环境的建设上。基础建设 In the early 1950s and the 1960s and 1970s, our country had successively carried out different degrees of western development. This time, the development of the western region is different from the past. The central government’s thinking is clear, and it is entirely guided by the strategy of sustainable development. In addition, the focus of the development of the western region was first placed on infrastructure construction, agriculture, and the construction of ecological environment. Infrastructure construction