从北京到乌鲁木齐，从成吉思汗到爱新觉罗傅仪；
各地区自然通风有效时数从大到小依次为：成都、广州、西安、南京、北京、乌鲁木齐、哈尔滨。
The number of hours of natural ventilation effective of all regions in decreasing order is:Chengdu, Guangzhou, Beijing, Nanjing, Xian, Harbin, and Urumqi.
各地区自然通风有效时数从大到小依次为：成都、广州、西安、南京、北京、乌鲁木齐、哈尔滨。
The number of hours of natural ventilation effective of all regions in decreasing order is:Chengdu, Guangzhou, Beijing, Nanjing, Xian, Harbin, and Urumqi.
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