OA相关缩略词条，共有 137 条。
- OA:Orienteering Australia (Australian Capital Territory) 越野识途比赛(澳大利亚北领地)
- OA:Occiput Anterior (fetal position) 枕骨前(胎儿位置)
- OA:Offered Again 又献
- OA:Operations Aerographer 操作Aerographer
- OA:Orchestra Atlanta (Atlanta, GA) (亚特兰大老鹰乐队,GA)
- OA:Orthogonal Acceleration (mass spectrometry) 正交加速度(质谱法)
- OA:Online Alumni 去同学录
- OA:Osmotic Adjustment 渗透调节
- OA:Organizational Assessment 组织评估
- OA:Orange Anime (Florida japanese culture and media club) 橙色动漫(佛罗里达日本文化和媒体的俱乐部)
- OA:Ordered Aggregate (Differentiated Services Protocol) 命令骨料(分化服务协议)
- OA:Operational Assist/Assembly 操作协助/装配
- OA:Orbiter Ancillary 探测器辅助
- OA:Order Administration 订单管理
- OA:Online Academy 在线学院
- OA:Origin Agent (transportation industry) 产地(运输业)
- OA:Office of Audits 办公室的审核
- OA:Order of Avalon (gaming) (游戏)的凯尔特韵调
- OA:Old Assyrian 老亚述人
- OA:Orbit Area 轨道区域
