RBn.[化]元素铷（rubidium）的符号abbr.无线电信标（=Radio Beacon）RBBS Remote Bulletin Board System远程布告栏系统RBGS Radio Beacon Guidance System无线电信标引导系统RBC antibody detection with saline盐水法RBC抗体检测RBDC Route Busy Display Controller路径占线显示控制器RBTE Remote Batch Terminal Emulator远程批量终端仿真器RBC antibody detection with albumin白蛋白法RBC抗体检测RBDE Radar Bright Display Equipment雷达鲜明显示设备RBOC Regional Bell Operating Company地区性贝尔营运公司RBCs of freeze-drying preservation红细胞冻干保存RBC/platelet ratio reference method流式仪计数法