Research on the connection between reopening system and trial level system 并列题名：Research on the connection between reopening system and trial level system research on the interaction between juvenile justice and social work Research on the construction of the co-opetition medical care system Research on the evolution of China's pension system and innovation of healthy pension system Research on the construction of leisure sports curriculum system Research on the construction of scientific and technological report system research on the relationship between goodness and good deeds Research on the construction of local financial system Research on the construction of urban community service system