Research of identity authentication mechanism in mobile commerce 并列题名：Research on poverty reduction mechanism and effect of E-commerce 并列题名：Research on consumer credit operation mechanism of Chinese commercial banks 并列题名：Research on consumer cognition and behavior in e-commerce 并列题名：Research on information transmission mechanism of futures market 并列题名：Research on the formation mechanism of status consumption Research on poverty reduction mechanism and effect of E-commerce 并列题名：Research on the generation and prevention mechanism of mafia-like gangs and evil forces 并列题名：Research on the moral cultivation mechanism of college students legal aid