Rift Valley Fever立夫特山谷热 Right Ventricular Failure右心室衰竭 Rift Valley Fever (febrile disease caused by a virus)东非大裂谷发烧(发热病引起的一种病毒) Residual Volume Fraction剩余体积分数 Rational Valuation Formula (economics)理性的计价公式(经济) Regio-Verkehrsbund Freiburg (Freiburg, Germany)Regio-Verkehrsbund弗赖堡(德国弗赖堡) Raster Vector Format栅格矢量格式 Rinconada Ventures FoundationRinconada投资基金 Restore Virtual Frames恢复虚拟帧 River Valley Flyers河谷的传单 Republican Victory Fund共和党获胜的基金 Recreational Vehicle Fellowship休闲车团契