| 英文缩写 | 英文解释 | 中文解释 |
|---|---|---|
| R | --- | FORTRAN语言预处理器的Ratfor文件格式〖后缀〗 |
| R | resistor | 电阻，电阻器 |
| R | reluctance | 磁阻 |
| R | are | 是〖网语〗 |
| R | Receiver | 接收机 |
| R | Register | 寄存器 |
| R | Reposition | 复位 |
| R | Reverse | 反转，倒转 |
| R | Read | 读 |
| R | Ratio | 比例，比率 |
| R&D | Research & Development | 研究和开发，研发 |
| R&D | ResearchandDevelopment | 调查与开发〖网络〗 |
| R&R | Request and Reply | 请求和回答 |
| R/AI | Request/AcknowledgeInterface | 请求与认知界面 |
| R/P | Record/Playback | 录制/重放 |
| R/T | Receive/Transmit | 接收/传送 |
| R/W | Read/Write | 读/写 |
| R8 | --- | PicLab半成品图形（每象素一个字节）文件格式〖后缀〗 |
| R8P | --- | Intellifont的Pcl4位图字体文件格式〖后缀〗 |
| RA | Return Authorization | 返回授权 |
| RA | RedAlert | 《红色警报》〖游戏名〗 |
| RA | RepeatAddress | 重复地址 |
| RA | RealAddress | 真实地址 |
| RA | RelocationAddress | 再定位地址，浮动地址 |
| RA | RemoteAutomation | 远程自动化 |
| RA | RightAligns | 右对齐 |
| RA | RouteAnalysis | 路由分析 |
| RA | ReachabilityAnalysis | 可达性分析 |
| RA | RegisterAllocator | 寄存器分配器 |
| RA | RelationshipAnchor | 关联锚定 |