Theoretical studies and practical research on the legal system of international technology transfer Guo ji ji shu zhuan rang fa lü zhi du li lun yu shi wu yan jiu=: Theoretical studies and practical research on the legal system of international technology transfer/ Theoretical and empirical research on the path of environmental technology innovation Theoretical analysis and practical research on the development paradigm of park city Theoretical and empirical research on Chinese enterprises' international strategic alliance 并列题名：Theoretical and empirical research on the path of environmental technology innovation