Theoretical and empirical research on Chinese enterprises' international strategic alliance 并列题名:Theoretical and empirical research on Chinese enterprises' international strategic alliance Oretical and empirical research on intergenerational mobility in China Theoritical and empirical study on stability, breaking, evolution of strategic alliance 并列题名:Oretical and empirical research on intergenerational mobility in China Theoretical and empirical research on technological learning in enterprises' R&D alliances Theoretical and empirical research on regional energy-saving potential Theoretical and empirical research on regional innovation model selection Theoretical and empirical research on the choice and cultivation of Chinese marine strategic emerging industries Oretical and empirical research on the patent maintenance