Recreational Vehicle休旅车 Relief Valve安全阀，减压阀 Revised Version《圣经》钦定本修订版 Residual Volume残气容积 Research Vessel研究船 Resistor with inherent variability dependent on the Voltage压敏电阻器 Rollover Valve翻车（事故）安全阀 Redwood Viscosity雷氏粘度 Receipt Voucher收款传票 Resistor Variable可变电阻 Ross Volunteers (Texas A&M University Corps of Cadets)罗斯志愿者(德州农工大学校园的学员) Ralston Valley (Colorado)拉斯顿河谷(科罗拉多) Radar Vector雷达向量 Right Ventricle右心室,右脑室 Receive Variable收到变量