Restricted Access System受限制的系统 Royal Astronomical Society (British)皇家天文协会(英国) Registered Addiction Specialist注册成瘾的专家 Radar Absorbent Structure雷达吸结构 Recovery Activation Signal回收激活信号 Russian Academy of Science俄罗斯科学院院士 Required At Site在现场要求 Reactor Analysis and Safety分析和安全。反应堆 RePEc (Research Papers in Economics) Author ServiveRePEc(论文)作者在经济服务 Redundant Acronym Syndrome多余的缩略词综合症 Remote Access Switch远程接入交换机 Research, Analysis & Statistics (US IRS)研究、分析和统计(IRS) Renal Artery Stenosis肾动脉狭窄 Remote Access System远程存取系统 Record Association System唱片协会系统