| ROS | return on sales | 销售收益率 |
| ROS | reactive oxygen species | 活性氧基团或分子 |
| ROS | Read-Only Storage | 只读存储器 |
| ROS | Report Of Survey | 调查报告 |
| ROS | Republic of Singapore | 新加坡共和国 |
| ROS | RouterOS | RouterOS路由操作系统 |
| ROS | Ramapo Orchid Society (New Jersey) | Ramapo兰花协会（新泽西州） |
| ROS | Rosario, Santa Fe, Argentina - Fisherton (Airport Code) | 罗萨里奥，圣菲，阿根廷-菲舍顿（机场代码） |
| ROS | Run Of Schedule | 运行时间表 |
| ROS | Run of Site | 运行站点 |
| ROS | Review of Systems | 系统审查 |
| ROS | Resident Operating System | 常驻操作系统 |
| ROS | Run-On Sentence | 运行时句子 |
| ROS | Refractory Organic Substances | 难降解有机物质 |
| ROS | Registrar of Shipping | 船舶注册处处长 |
| ROS | Re-Order Structure | 重新订购结构 |
| ROS | Robot Operating System | 机器人操作系统 |
| ROS | Religious Orders Study | 宗教秩序研究 |
| ROS | Research Operations Support | 研究运营支持 |
| ROS | Report of Sale | 销售报告 |
| ROS | Restoration of Service | 服务的恢复 |
| ROS | Rate of Spread (wildland fire behavior expressed in chains per hour; 1 chain = 66 feet) | 蔓延速度（野外火灾行为以每小时链条表示；1条链条=66英尺） |
| ROS | rostral sulcus | 吻沟 |
| ROS | ridgway osteogenic sarcoma | ridgway成骨肉瘤 |
| ROS | Record On Silicon | 硅上记录 |
| ROS | Reduced Operating Status | 运行状态降低 |
| ROS | Riders Of The Storm | 风暴的骑手 |
| ROS | Reduced Operational Status | 降低运行状态 |
| ROS | Rate Of Sulfation | 硫化速率 |
| ROS | Rosario, Santa Fe, Argentina | 罗萨里奥，圣菲，阿根廷 |
| ROS | Run On Site | 在现场运行 |
| ROS | Rate Of Oxidation | 氧化速率 |
| ROS | Remote Operations Security | 远程操作安全 |
| ROS | Return Of Old Symptom | 恢复旧症状 |
| ROS | Rookie Online Series | 新手在线系列 |
| ROS | Room Only to Stand | 仅限站立的房间 |
| ROS | Return Of Old Symptoms | 旧病复发 |
| ROS | Rostelecom Long Distance & Internet | Rostelecom长距离和互联网 |
| ROS | Recreation Opportunity Spectrum | 娱乐机会谱 |
| ROS | Remote Operations Service | 远程操作服务 |
| ROS | Run Of Stack | 堆栈的运行 |
| ROS | Raster Output Scanner | 光栅输出扫描仪 |
| ROS | Rites of Spring | 春之祭 |
| ROS | Republic of Singapore (founded 1965) | 新加坡共和国（1965年成立） |
| ROS | Rapport d'Ondes Stationnaires (French) | 'Ondes关系(法国)Stationnaires d |
| ROS | Release of Shift | 班次的解除 |
| ROS | Restaurant Operations Support | 餐厅运营支持 |
| ROS | Relief On Station (UAVs) | 加油站（无人机） |
| ROS | Record of Service (USMC) | 服务记录（USMC） |
| ROS | Random Orbital Sander | 随机轨道砂光机 |
| ROS | Reed Organ Society | 里德器官学会 |
| ROS | Remotely Operated Shutter | 遥控快门 |
| ROS | Races of Stone (roleplaying games, Dungeons & Dragons) | 赛石(角色扮演游戏,地下城和龙) |
| ROS | Review of Symptoms (medical) | 症状回顾（医学） |
| ROS | Required On-Site (Date) | 现场要求（日期） |
| ROS | Range Operations Support | 靶场作战支持 |
| ROS | Recreation Opportunity System (USFS/BLM) | 休闲机会系统(USFS / BLM) |
| ROS | Report Organization Subsystem | 报表组织子系统 |
| ROS | Representative Observing Site | 代表性观测点 |
| ROS | rod outer segments | 棒外段 |
| ROS | Remote Operations Services | 远程操作服务 |
| ROS | Registers of Scotland | 苏格兰登记册 |
| ROS | Review Of System | 系统审查 |
| ROS | Russian Orbital Segment | 俄罗斯轨道段 |
| ROS | Return From Overseas | 从海外返回 |
| ROS | Remote Operator Station | 远程操作员站 |
| ROS | Reactor Overflow System | 反应器溢流系统 |
| ROS | Required on Station | 车站上需要 |
| ROS | Reconstitution Operational State | 重组操作状态 |
| ROS | Register of Society | 社团登记册 |
| ROS | Run Of Station | 运行站 |
| ROS | Royal Order of Scotland (Scottish Rite Honorary Order) | 苏格兰皇家勋章（苏格兰仪式荣誉勋章） |
| ROS | Region of Support | 支持地区 |
| ROS | Rapid Obscuration System | 快速遮光系统 |
| ROS | Reduced Operation/al Status | 减少操作/铝的地位 |
| ROS | Rear Observation System | 后部观察系统 |
| ROS | Raggruppamento Operativo Speciale (Italian Carabinieri Special Forces) | Raggruppamento Operativo Speciale（意大利宪兵特种部队） |
| ROS | Ramsgate Operatic Society | 拉姆斯盖特歌剧社 |
| ROS | Resource Object Store | 资源对象存储 |