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)
Riedel's disease反极性磁铁
Riukiu Scops Owln.琉球角鸮
rinsing solution水洗溶液
Rivinus rs gland里维纳斯氏腺
Riedel rs struma板样甲状腺炎
rill erodibility细沟侵蚀
Rissa tridactylan.三趾鸥(鸥科)
Risoba prominensn.显长角皮夜蛾
Riemann integral黎曼积分