theory and practice of urban sub-center construction Theory and practice of provincial sub-center city construction Theory and practice of urban rainwater garden construction Theory and practice of intelligent construction 大城市治理：城市副中心建设的理论与实践：theory and practice of urban sub-center construction Theory and practice of smart construction Theory and practice of ecological civilization construction theory and practice of residence renovation theory, practice and system construction Theory and practice of harmonious and livable city construction