Acun阿均ACabbr.(=alternating current)交流电abbr.(=actinium )元素锕abbr.(=air-conditioning )空气调节Acanthamoeba castellanii卡氏棘阿米巴acromioclavicular sprain肩锁关节扭伤acoustooptical measuring声光检测技术Acantholyda dimorpha Maa异耦阿扁叶蜂AC motor speed regulator交流电动机调速器acousto-electric index声电指数acromio clavicular joint肩锁关节Acrophorus exstipellatusn.峨边鱼鳞蕨acquisitive of new ideas好求新知Acanthocorys umbelliferan.伞针盔虫