n.陨石(硝酸钾)
Simply introduce the aerolith epigraph of Ming Jiajing, enumerate the lists of inscriptions and horizontal tablet of mosques in Datong area. 随后简单介绍了明嘉靖丙午陨石题记，列举了大同辖域清真寺碑刻匾联名单。
陨星学
