Orbiter Processing Facility探测器的加工设备 Official Personnel Folder官方人员文件夹 Overseas Property Fund海外的基金 Outer Planets Flagship (mission)外行星的旗舰(任务) Organizational Process Focus (Process Area; Capability Maturity Model Integration)组织过程焦点过程;能力成熟度模型集成 Official Personnel File官方人事档案 Other Procurement Funding其他采购经费 Oil Palm Frond油棕榈授 Onshore Production Facility (oil and gas)陆上的生产设施(如石油和天然气) Of Possible Futures (science fiction novel)对可能的未来》(科幻小说) Orange Prize for Fiction (UK)橙色的小说奖(英国) One Piece Folder (corrugated box style)一件文件夹(瓦楞纸箱风格) Office/Official Personnel Folder官方人员的办公室/文件夹 Organization Process Focus组织过程焦点 One-Piece Flow一体式流