Research on regional development model of low-carbon economy 并列题名：Research on regional development model of low-carbon economy Research on the development of China's low-carbon economy Sutdy on the development of low carbon economy Research on regional development of China Research on China's foreign trade development in low carbon economy 并列题名：Sutdy on the development of low carbon economy Research industry cluster development model based on circular economy Research on financlal support for China'sdevelopment of low-carbon economy Research on the development and regulation of platform economy