| ORA |
FDA Office of Regulatory Affairs |
(美国)FDA监管事务办公室 |
| ORA |
Orlando Rowing Association |
奥兰多划船协会 |
| ORA |
Ontario Rifle Association |
安大略省步枪协会 |
| ORA |
Orthopaedic Rehabilitation Association |
骨科康复协会 |
| ORA |
Optical Research Associates |
光学研究协会 |
| ORA |
Ontario Rodeo Association |
安大略省竞技体育协会 |
| ORA |
Oregon Rehabilitation Association |
俄勒冈州康复协会 |
| ORA |
Oklahoma Rifle Association (Yukon, OK) |
俄克拉荷马州步枪协会（俄勒冈州育空） |
| ORA |
Ontario Racing Association |
安大略省赛车协会 |
| ORA |
Office of Research and Applications (NOAA) |
研究和应用办公室（NOAA） |
| ORA |
OR with Accumulator (6502 processor instruction) |
带累加器的OR（6502处理器指令） |
| ORA |
Office of Research Analysis |
研究分析处 |
| ORA |
Order of the Red Army |
红军命令 |
| ORA |
Office of Regulatory Affairs |
监管事务办公室 |
| ORA |
OrganizaciÓn Revolucionaria Anarquista (Spanish: Anarchist Revolutionary Organization, Argentina) |
OrganizaciÓn Revolucionaria Anarquista (Spanish: Anarchist Revolutionary Organization, Argentina) |
| ORA |
Operations Research Analyst |
运营研究分析师 |
| ORA |
Office of Ratepayers Advocates (California) |
差饷律师事务所（加利福尼亚州） |
| ORA |
Organizational Registration Authority |
组织登记机构 |
| ORA |
Operational Requirements Analysis |
作战需求分析 |
| ORA |
Obsolete or Redundant Acronym (humor) |
过时或多余的首字母缩写（幽默） |
| ORA |
Open Records Act |
开放记录法案 |
| ORA |
Output Response Analyzer |
输出响应分析仪 |
| ORA |
Optimal Rate Allocation |
最优费率分配 |
| ORA |
Operational Risk Assessment |
运营风险评估 |
| ORA |
Organizational Research Analyst |
组织研究分析员 |
| ORA |
Online Retail Awards |
在线零售奖 |
| ORA |
Office of Research Affairs |
研究事务办公室 |
| ORA |
Optical Raman Amplification |
光学拉曼放大 |
| ORA |
Office of Review & Appeals |
办公室的回顾和上诉 |
| ORA |
Offshore Risk Assessment |
海上风险评估 |
| ORA |
OrganizaciÓn Revolucionaria Anarquista |
OrganizaciÓn Revolucionaria Anarquista |
| ORA |
Organization for the Resolution of Agunot, Inc. |
Agunot公司决议组织。 |
| ORA |
Operational Readiness Assessment |
战备状况评估 |
| ORA |
Office of Research and Applications |
研究和应用办公室 |
| ORA |
Optical Reference Assembly |
光学参考组件 |
| ORA |
Oscillator Rectifier And Amplifier |
振荡器整流器和放大器 |
| ORA |
Office Of Resource Assistance |
资源援助办公室 |
| ORA |
Outer Rhabdomeres Absent |
外横纹肌缺失 |
| ORA |
Parameter file (Oracle) |
参数文件（Oracle） |
| ORA |
Oran, Santa Ana, Argentina |
阿根廷圣安娜奥兰 |
| ORA |
Ormet Railroad Corporation |
Ormet铁路公司 |
| ORA |
Outdoor Resorts Of America |
美国户外度假胜地 |