逆向地址解析协议〖TCP / IP〗    RAPP? Reverse Address Resolution Protocol?

随机存取平面位置指示器    RAPPI? Random Access Plane Position Indicator?

雷达信息处理器    RAPR? RAdar PRocessor?

远程副电源    RAPS? Remote Accessory Power Supply?

只读存储器地址寄存器    RAR? ROM Address Register?

地区性管理无线通信会议    RARC? Regional Administrative Radio Conference?

欧洲科研网络协会    RARE? （Reseaux Associes pour la Recherche Europeenne— The European Association of Research Networks）?

逆向地址解析协议，反向地址转换协议〖因特网〗    RARP? Reverse Address Resolution Protocol?

随机存取存储体    RAS? Random Access Storage?

可靠性、可用性、可服务性    RAS? Reliability, Availability, Serviceability?

远程访问服务（器）〖因特网〗    RAS? Remote Access Service(r)?

远程应用系统    RAS? Remote Application System?

路由账户处理子系统    RAS? Route Accounting Subsystem?

行地址选通    RAS? Row Address Strobe?

皇家学会（英国）    RAS? Royal Academy of Science?

请尽快答复〖网语〗    RASAP? Reply As Soon As Possible?

速率自适应数字用户线    RASDL? Rate Adaptive Digital Subscriber Line?

可靠性、可用性、可服务性和可改进性    RASI? Reliability, Availability, Serviceability and Improvability?

随机访问的存储与控制    RASTAC? Random – Access STorage And Control?

随机访问的存储与显示    RASTAD? Random – Access STorage And Display?

用于导航的雷达和电视设备    RATAN? Radar and Television Aid to Navigation?

自动遥测设备    RATE? Remote Automatic Telemetry Equipment?

无线电话    RATEL? RAdioTELephone?

无线电电传打字机    RATT? RAdio TeleTypewriter?

无线电与电传控制中心    RATTC? RAdio and TeleType Control Center?

雷达捕获目视跟踪设备    RAVE? Radar Acquisition Visualtracking Equipment?

写后读    RAW? Read After Write?

先读后写〖服务器〗    RAWB? Read – Ahead and Write – Back?

远程存取执行    RAX? Remote Access eXecution?

农村自动交换机    RAX? Rural Automatic Exchange?

雷松公司的数字计算机    RAYDIC? Raytheon Digital Computer?

雷松电子公司（美国，出品计算机）    Raytheon?

随机化数据块    RB? Randomized Blocks?

反向读取    RB? Read Backward?

读取缓冲器    RB? Read Buffer?

恢复性数据块    RB? Recovery Block?

回收站    RB? Recycle Bin?

红皮书（美国国家安全局定义计算机网络密级的文件）    RB? Red Book?

请求块    RB? Request Block?

归偏制    RB? Return to Bias?

鼠标器右键    RB? Right Button?

根桥接器    RB? Root Bridge?