Resident Agent Office居民代理办公室 Retinal Artery Occlusion视网膜动脉阻断 Resource Analysis Office资源分析的办公室 Residential Actions Office (US military)美国军方行动办公室(居住) Regimental Activities Officer团活动军官 Right Anterior Oblique (Radiologic Term)对前斜(影像术语) Right Ascension Offset对提升的偏移量 Response Amplitude Operator (mechanical engineering)机械工程专业操作员响应振幅() Royal Army of Oman王军阿曼 Registration Authority Operator登记机关操作 Regional Accounting Office区域会计的办公室 ReadAllOver (image file format)ReadAllOver(图像文件格式) Regimental Administration Office (BATUS)管理办公室(BATUS团) Regional Aviation Officer (US Forest Service position)航空官员(区域森林服务职位) Remedial Action Objective纠正行动的目的