RISabbr.远程安装服务(=Remote Installation Service)abbr.放射信息系统(=Radiology Information System)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)Risal里萨尔Rihte里赫特Rikern.赖克Riita丽塔(女名)Rizza里扎Risto里斯托Riiho里霍Rilly里伊Risio里西奥Rikie边卫(名,日本)