cold semi arid region with high elevation
region with high risk of the flood and waterlogging
development with high-density
Greater China economic region
Beibu Gluf economic region
Beibuwan economic region in Guangxi
Chengdu economic region
Chinese mountain region development
Cooperative development region
economic region of production
Guangzhong-Tianshui economic region
Huaihai Economic Region
industrial development region
Keywordirrigation region with the Yellow River supplementary
metropolitan economic region