"The Belt and Road" and China's regional economic development research 并列题名："The Belt and Road" and China's regional economic development research transition of China''s regional economic development mode Evolution of China's regional economic development strategy China regional economic development report High-speed rail and regional economic development in China 并列题名：Evolution of China's regional economic development strategy research on modeland path of regional economic development in western China Research on the evolution of China's regional economic development efficiency Big business and regional economic development