| 序号 | 微略语 | 全称 | 解释 |
|---|---|---|---|
| 1 | RAD | RapidAccessDisc | 快速存取磁盘 |
| 2 | RACS | RemoteAutomaticCalibrationSystem | 远程自动校准系统 |
| 3 | RACS | RemoteAutomaticControlSystem | 远程自动控制系统 |
| 4 | RACS | RemoteAccessComputingSystem | 远程存取计算系统 |
| 5 | RACS | RandomAccessCommunicationSystem | 随机存取通信系统 |
| 6 | RACON | RAdarbeaCON | 雷达信标，雷康 |
| 7 | RACF | ResourceAccessControlFacility | 资源访问控制设备〖MVS〗 |
| 8 | RACER | Reliability,Availability,Compatibility,EconomyandReproducibi | 可靠性，可用性，兼容性，经济性和再现性 |
| 9 | RACE | RandomAccessCardEquipment | 随机存取卡设备 |
| 10 | RACE | RandomAccessComputerEquipment | 随机存取计算机设备 |
| 11 | RACE | RegionalAutomaticCircuitExchange | 区域自动线路交换机 |
| 12 | RACE | ResearchanddevelopmentprograminAdvancedCommunicationsinEurop | 欧洲先进通信研究与发展纲要 |
| 13 | RACE | RapidAutomaticCheckoutEquipment | 快速自动检验设备 |
| 14 | RAC | RemoteAccessClient | 远程访问客户 |
| 15 | RAC | RemoteAccessConcentrator | 远程访问集中器，远程访问集线器 |
| 16 | RAC | RelativeAddressCoding | 相对地址编码 |
| 17 | RAC | RadioAdaptiveCommunications | 无线电自适应通信 |
| 18 | RAC | RandomAccessControlunit | 随机存取控制器 |
| 19 | RABAL | RAdiosondeBALloon | 无线电探测气球 |
| 20 | RAB | RecordAccessBlock | 记录服务块 |
