Research on the development and prospect of Marxist ethics in China since the reform and opening up 并列题名：Research on the development and prospect of Marxist ethics in China since the reform and opening up Research on the GDP growth speed in China since the reform and opening up Research on the development of China's clothing industry since the reform and open Research on youth development in China since the reform and opening-up Research on the transformation and upgrading of China's industrial structure since the reform and opening-up 并列题名：Research on the GDP growth speed in China since the reform and opening up 并列题名：Research on the development of China's clothing industry since the reform and open 并列题名：Research on the transformation and upgrading of China's industrial structure since the reform and opening-up Mode and enlightenment of rural governance in China since the reform and opening up