A research on China's regional development with 40th anniversary of reform and opening-up Research on China's regional development with 40th anniversary of reform and opening-up A research on China's social and economic development with 40th anniversary of reform and opening-up Research on China's social and economic development with 40th anniversary of reform and opening-up movie poster collection to mark the 40th anniversary of reform and opening-up Research on youth development in China since the reform and opening-up Theory and practice of Chinese regional development since the reform and opening Research of the trends of labor share development in China since the period of reform and opening 永远的画面：改革开放40周年电影海报集：movie poster collection to mark the 40th anniversary of reform and opening-up