Theoretical and empirical research on the ecological and economic symbiotic Theoretical and empirical research on the financing problem of CB Theoretical and empirical research on the formation of tea price in China Theoretical and empirical research on the path of environmental technology innovation Theoretical and empirical research on technological learning in enterprises' R&D alliances Theoretical and empirical research on tht city residential customer satisfaction Theoretical and empirical research on the symbiotic development of ethnic minority regions Theoretical and empirical research on market diffusion of movies Theoretical and empirical research on rural revitalization Theoretical and empirical research on teacher learning