ARUn.自动跟踪装置ARabbr.验收要求(=Acceptance Requirement)abbr.应收帐款(=accounts receivable)Arolat阿罗拉特Arnelln.阿内尔Arquie阿尔基Arjuna阿朱那Arbaud阿尔博Ardoinn.阿多因Ardite阿尔迪特Aronda阿龙达arista刺,触角芒,芒Arioti阿廖蒂