Urbaniec乌尔班涅茨urbanadj.城市的；都市的urban influence force城市影响力urban growth boundary城市增长边界urban and rural areas城乡urban land use system城市土地利用系统urban sports cultural城市体育文化urban basic equipment城市基础设施urban traffic pattern城市交通模式urban planning system城市规划体系urban area of Beijing北京城区urban subway accident城市地铁事故