urban MF城市物流urbanadj.城市的；都市的urban-rural dual system城乡二元体制Urban subway construction城市地铁施工urban informal employment城镇非正规就业urban traffic link tunnel城市地下交通联系通道urbanization of outskirts郊区城市化Urban land use evolvement城市土地演化urban tourism competition城市旅游竞争力Urban Population Security城市人口安全urban house dismantlement城市房屋拆迁Urban hub of communication城市交通枢纽