Residential buildings and apartments in residential buildings

The residential buildings, distinguished by 1 to 2 apartments as well as 3 and more apartments, the sum and the number of apartments are listed.本数据集涉及的住宅楼宇，按单栋包含1至2个公寓单元、3个及以上公寓单元进行分类，各类分类下的公寓总套数与楼宇数量均已列出。