Research on the regulatory system of data trading in China Research on regulatory system of stock exchange in China 并列题名:Research on regulatory system of stock exchange in China Research on the regulation system of bond insurance in USA Research on the guiding system of criminal cases in China Research on the related legal liability system of drug safety in China Research on the theoretical system of the accessory in China 并列题名:Research on the regulation system of bond insurance in USA research on the procuratorial system of the Nanking National Government Research on the reforming management system of state-owned asset in China