Research on evaluation and exploitation of regional economic development potential in China 并列题名：Research on evaluation and exploitation of regional economic development potential in China Research on the evolution of China's regional economic development efficiency Research on high-speed railway construction and regional economic development in China Research on the impact of population aging on economic development in China Institutional innovation and transformation of economic development mode in China Research on the frontiers and hotspots of regional innovation development in China Research on the interactive relations between regional economic development and higher education in China Research on regional economic development guality in China Analysis and evaluation on the economic development of county in China