aat

abbr. 防空坦克（Anti-Aircraft Tank）；平均存取时间（Average Access Time）；亚洲空运中心（Asia Airfeight Terminal）；加速老化试验（Accelerated Aging Test）

Aat (“The Great One”) was a queen of the ancient Egyptian 12th dynasty. Of all the wives of Amenemhat III, only her name is known to modern archaeology with any certainty.