Research on the construction of the legal system of administrative contract 并列题名:Research on the construction of the legal system of administrative contract Research on the internal control framework system of administrative behavior Research on the construction of talent system of industrial technology innovation research on the innovation of the parallel system of position and rank Research on legal application issues in the administrative contract Research on the construction of legal system of labor-capital communication and negotiation Research on the construction of the legal mechanism of energy cooperation in the "Belt and Road" research on the popularization of the theoretical system of socialism with Chinese characteristics Research on the construction of regional innovation system strategy