ARSVarmored reconnaissance scout vehicle (USA) 装甲侦察车ARabbr.验收要求(=Acceptance Requirement)abbr.应收帐款(=accounts receivable)aryl thiourea芳基硫脲aristociclina赖甲四环素Arvo Aaltonen阿尔托宁aryngotyphoid咽型伤寒Ar-He knife氩氦刀aristeromycin芒霉素aristolochine马兜铃酸,马兜铃碱aripipirazole阿立哌唑Arita Tadashi有田正(1916-),日本人,实业家。aromodendrene香木兰烯