Theoretical and empirical analysis on longevity risk and its management Theoretical and empirical analysis of credit and risk in internet finance 并列题名:Theoretical and empirical analysis of credit and risk in internet finance A theoretical and empirical analyses to China's foreign trade and environment quality Theoretical and empirical analysis on insurance and protection for women and children 人力资本:a theoretical and empirical analysis, with special reference to education Theoretical and empirical study of family farm development 并列题名:Theoretical and empirical analysis on insurance and protection for women and children Empirical analyses in financial risk management Method and empirical analysis on low-carbon transport planning