Urban DNA城市DNAurbanadj.城市的；都市的urban and rural residential land城乡居民地urban surveying and geotechnieal城市勘测urban - rural overall planning城乡统筹urban-- rural dual structure城乡二元结构urban afforestation tree species城市绿化树种urban underground space resource城市地下空间资源urban - rural income disparity城乡收入差距Urban domestic water consumption城市生活用水量Urban historical street and lane城市历史街巷Urban Health and Poverty Project