American Association of Orthodontists美国正牙医师学会 Anglo-Australian Observatory报导天文台 America's Army: Operations (game)美国陆军:操作(游戏) Army Acquisition Organization陆军采购组织 American Academy of Otolaryngology (Head & Neck Surgery)美国儿科医师(头和脖子上的外科手术) Association of Aviation Ordnancemen航空Ordnancemen协会 American Academy of Ophthalmology美国儿科疾病 Amino Acid Oxidase氨基酸氧化酶 Against All Odds尽管有着极难克服的困难 Army Acquisition Objective陆军采购目标 Authorized Acquisition Objective授权获取目标 American Academy of Optometry美国儿科色彩 American Academy of Osteopathy美国科学院Osteopathy Alpha and Omegan. 始终(主要部分) Adverse Assumption Obstacle不良的假设的障碍