ARSVarmored reconnaissance scout vehicle (USA) 装甲侦察车
ARabbr.验收要求(=Acceptance Requirement)abbr.应收帐款(=accounts receivable)
Aristichthysn.鳙属
aryl nitrile芳香腈
arylesterase芳基酯酶
Arithromycin阿奇霉素
Arhanchiague阿朗夏格
Aristolochia马兜铃属
arolyl group芳酰基
Arslankorkud阿尔斯兰科库德