Radiation Protection Bureau (Canada)辐射防护局(加拿大) Regional Planning Body (UK)区域规划机构(英国) Recognized Professional Body认可职业（投资）机构 Ruimtelijk Planbureau (Dutch: The Netherlands Institute for Spatial Research)Ruimtelijk Planbureau(荷兰:荷兰研究所的研究空间 Recognised Professional Bodies (UK)认可的专业机构(英国) Research to Prevent Blindness防盲研究 Republica Populara BulgaraPopulara Bulgara削减 Rating of Perceived Breathlessness感知呼吸困难的 Republique Populaire du BeninRepublique Populaire嘟贝宁湾 Rassemblement Populaire de BurundiRassemblement Populaire·布隆迪 Reverse-Path BroadcastingReverse-Path广播 Regional Preparedness Board区域准备登机 Reform Pension Board改革养老金委员会 Rocket Propelled Bullet火箭推进子弹 Rna Polymerase BRna聚合酶B