Rino里诺RIabbr.折光指数（=refractive index）abbr.罗得岛（=Rhode Island）abbr.无线电惯性制导航系统(=Radio-Inertial Guidance System)rifling machining膛线加工rising industries新兴工业riemann's theorem逆向选择Riemann curvature黎曼曲率Risdon's incision反向应变Risdom's incision反向电流Rivula auripalpisn.黄须涓夜蛾Riedel's syndrome反渗透Rifampin toxicity利福平毒性riSing the salary加薪