| 序号 | 微略语 | 全称 | 解释 |
|---|---|---|---|
| 1 | RA | RA | RealAudio公司的音乐文件格式〖后缀〗 |
| 2 | RA | RedAlert | 《红色警报》〖游戏名〗 |
| 3 | R8P | R8P | Intellifont的Pcl4位图字体文件格式〖后缀〗 |
| 4 | R8 | R8 | PicLab半成品图形（每象素一个字节）文件格式〖后缀〗 |
| 5 | R/W | Read/Write | 读/写 |
| 6 | R/W | Read/Write | 读/写 |
| 7 | R/T | Receive/Transmit | 接收/传送 |
| 8 | R/P | Record/Playback | 录制/重放 |
| 9 | R/AI | Request/AcknowledgeInterface | 请求与认知界面 |
| 10 | R&D | ResearchandDevelopment | 调查与开发〖网络〗 |
| 11 | R | Reset | 重新设置，重新启动 |
| 12 | R | Rename | 重命名 |
| 13 | R | Radio | 无线电广播 |
| 14 | R | are | 是〖网语〗 |
| 15 | R | Receiver | 接收机 |
| 16 | R | Register | 寄存器 |
| 17 | R | Reposition | 复位 |
| 18 | R | Reverse | 反转，倒转 |
| 19 | R | Read | 读 |
| 20 | R | Resistance | 电阻 |
