Institute of Economics;
Beijing Academy of Social Sciences;
Institute of Geographical Sciences and Natural Resources Research;
Chinese Academy of Sciences;
College of Geographical Science;
Northeast Normal University;
School of Economics and Management;
Beijing Forestry University;
School of Architecture and Urban Planning;
Nanjing Tech University;
Institute of Urban Development;
National Academy for Mayors of China;
Size; structure; rationality; evaluation; size; distribution; index; size; compactness; index; size; efficiency; index; urban; agglomeration; China;