Research on the management system and mechanism of continuing education in developed countries Research on the open system and mechanism of educational government data Research on the management system and operation mechanism of inter-school sports competition in the United States Study on management mechanisms of R&D program in developed countries 并列题名：Research on the management system and operation mechanism of inter-school sports competition in the United States Research on the national security system and mechanisms of main countries in the world Research on the mechanism of collective bargaining in foreign countries