早在本世纪初,我国就开始着手勾画区域经济发展蓝图,到“十一五”初期基本完成总体战略布局,形成了以“四大板块”为主体的区域经济发展格局,即西部大开发、东北振兴、中部崛起和东部加快发展。然而在发展过程中,从空间尺度上来看,“四大板块”的划分仍然过大,板块内部不同地区之间在自然地理、发展阶段、民族文化等诸多方面存在不少差异。鉴于此,“十一五”以来,国家又在区域发展的“棋盘”上频繁落子,加紧布局。一系列 As early as the beginning of this century, our country started to outline the blueprint for regional economic development and basically completed the overall strategic layout by the beginning of the 11th Five-Year Plan, forming a pattern of regional economic development with “four plates” as its main body, namely The great development of the western region, the rejuvenation of the northeast, the rise of the central region and the accelerated development of the east. However, in the process of development, from the perspective of spatial scale, the division of the “four plates” is still too large. There are quite a few differences in areas such as natural geography, development stage and ethnic culture among different regions within the plate. In view of this, since the 11th Five-Year Plan, the state has stepped up its layout on the “chessboard” of regional development. A series