Research on the output system of public spiritual product 并列题名：Research on the output system of public spiritual product Research on the legal system of public procurement Research on the legal system of public interest litigation 并列题名：Research on the legal system of public procurement 并列题名：Research on the legal system of public interest litigation research on the socialization path of public cultural services research on Japan's remedy system of public hazard research on the procuratorial system of the Nanking National Government