study on Marx's modern social development theory On the value dimension of Marx's modern social development theory Research on Marxist social development theory 并列题名：On the value dimension of Marx's modern social development theory Research on Marx's theory of social development synergy study on teachers' professional development schools 并列题名：Researches on Giddens' social development theory Researches on Giddens' social development theory 并列题名：Research on Marxist social development theory Coordinated regional development theory