Research on poverty reduction mechanism and effect of E-commerce Research on protection mechanism for beneficiary Research of identity authentication mechanism in mobile commerce Research on the poverty reduction mechanism and path of green development in Guizhou Research on the product information retrieval in e-commerce Research on the measurement formation mechanism and effect of bootleg innovation Research on the construction mechanism of the united front discourse system Research on consumer cognition and behavior in e-commerce Research on the marketization mechanism of ecological product value Research on self selection mechanism of industrial cluster governance