big urban district  大城市区

Central Urban District  中心城区

Central urban district of Shuangyashan  双鸭山市中心城区

contorlled blasting in urban district  城市控制爆破

exploration in urban district  城区勘探

Guangzhou Huadu District Urban Environmental Sanitation Management Institute  广州市花都区城市环境卫生管理所

Guangzhou urban district  广州市区; 活断层

Jinan urban district section  济南城区段

Jinhua urban district  金华市区

large urban district  大型城区

Lhasa urban district  拉萨市区

Old Urban District  老城区

Panyu District Urban Planning Room of Guangzhou  广州市番禺城镇规划设计室

Pingdingshan New Urban District  平顶山市新城区

planning of water conservancy in the urban district  城区水利规划

river channel of the Longchuan River in the urban district of Chuxiong  龙川江楚雄城区段河道

rural-urban (urban-rural) continuum  城乡连续带

Summer urban climate  夏季城市气候

Urban climate  都市气候; 城市气候