Study on policies for balanced development of compulsory education 并列题名：Study on policies for balanced development of compulsory education Research on the protection mechanism of balanced development of region compulsory education 并列题名：Research on the protection mechanism of balanced development of region compulsory education Long term balanced development of population 并列题名：Long term balanced development of population On the balanced development of urban population 并列题名：On the balanced development of urban population Study on the inter integration of benefits in the reform process of the balanced development of compulsory education 并列题名：Research on the banlanced developmen of compulsory education in a county area