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)
Riemann operator黎曼算子
Rivinus rs ducts舌下腺小管
rising diphthong上升二合元音
Riemann manifold黎曼流形
Rinvinus's notch反求工程
rill development细沟发育
Rivinus incisure里维努斯切迹, 鼓切迹
Riichi Yokomitsu横光利一
ries of the mind见异思迁