Transformation and upgrading of industrial structure and high quality development in China 并列题名:Transformation and upgrading of industrial structure and high quality development in China Research on the upgrading of industrial structure based on high-quality economic development Improvement of transportation infrastructure and high-quality development of export 并列题名:Optimization and upgrading of industrial structure under the background of new-type urbanization Optimization and upgrading of industrial structure under the background of new-type urbanization Research on the transformation and upgrading of China's industrial structure since the reform and opening-up Financial structure and high-quality development