Urbanyik乌尔鲍尼克urbanadj.城市的；都市的urbanization away from home异地城镇化urban environment pollution城市环境污染urban environmental hygiene城市环境卫生urban multipath propagation市区多径传播Urban water supply security城市供水安全urban afforestation species绿化树种urban road network capacity城市道路网容量urban herbaceous vegetation城市自然式草本种植urban underground structure城市地下结构urban planting tree species绿化树种