reference voltage,基准电压
reference wave,参考声束
reflected wave,反射波；回波
reflecting sketchmaster,反光转绘仪
reflection electron microscope,反射电子显微镜
reflection grating,反射光栅
reflection method,脉冲反射法
reflection nephoscope,反射测云器
reflective optic tachometric transducer,反光式转速传感器
reflectometer,反射表
reflector path,外光路
refracting telescope,折射望远镜
refractive humidity transducer [sensor],折射式湿度传感器
refractometer,折射盐度计
refrigerant(pressure)gauge,致冷压力表
refrigeration,致冷
regenerative braking,回馈制动；再生制动
regional model,区域模型
register,寄存器
register(of an integrating instrument),(积分式仪表的）计度器
registered standard,注册标准
regression,回归
regular velocity distribution,规则速度分布
regulating device,调节装置
regulating unit,调节单元
regulation,法规；调节
regulator,调节器
rejection,抑制
relative aperture,相对孔径
relative error,相对误差
relative flow coefficient,相对流量系数
relative gravity surver,相对重力测量
relative humidity,相对湿度
relative (measurement) method,相对式测量法
relative precision,相对响应值
relative retention value,相对保留值
relative sensitivity coefficient,相对灵敏度系数
relative stability,相对稳定性
relative tolerance between forward and backward in indicating value,示值进回程相对误差
relative travel,相对行程
relative variation in the indicating value,示值相对变动值
relative viscosity,相对粘度
relaxation process,弛豫过程
relaxation testing machine,松弛试验机
relaxation vibration,张弛振动
relay,继动器；继电器
relay characteristics,继电（器）特性
relay control system,继电控制系统
release mechanism for plankto net,浮游生物网闭锁器
relevant failure,关联失效
relevant specification,有关规范
reliability,可靠性；可靠度
reliability assessment,可靠性评估
reliability block diagram,可靠性方框图
reliability certification,可靠性认证
reliability compliance test,可靠性试验证试验
reliability design review,可靠性设计评审
reliability determination test,可靠性测定试验
reliability evaluation,可靠性评定
reliability evaluation from demonstration data,利用验证数据的可靠性评定
reliability growth,可靠性增长
reliability improvement,可靠性改进
reliability model,可靠性模型
reliability program,可靠性计划
relief valve,释放阀
reluctive pressure transducer,磁阻式压力传感器
reluctive transducer [sensor],磁阻式传感器
remanent attraction force,残留吸力
remote command control,指令遥控
remote control,遥控
remote control command,遥控指令
remote controlled Niskin sampler,尼斯金遥控采水器
remote manipulator,遥控操作器
remote measuring meteorograph,遥测气象记录仪
remote-measuring thermohygrograph,遥测温湿记录仪
remote printing,远程打印
remote regulating,遥调
remote sensing,遥感
remote sensing instrumentation for oceanography,海洋学遥感仪器
remote sensing platform,遥感平台
remote sensing system,遥感系统
remote sensing technique of oceanography,海洋学遥感技术
remote set point adjuster,远程设定点调整器
remote terminal,远程终端设备
remote thermometer,遥测温度表
removable back plate,可拆卸的后盖板
repair rate,修复率
repair time,修复时间
repeatability,重复性
repeatability error,重复性误差
repeatability of wavelength,波长重复性
repeated impact testing machine,多次冲击试验机
repeater,转发器
repetition theodolite,复测经纬仪
replica grating,复制光栅
reply message,回答报文
report generator,报表生成程序
representation of the a.c.properties of resistor,电阻器交流特性的表示
representation unit,表示单位
reproducibility,再现性；复现性
reproducibility error,再现性误差
reproducibility of measurement,测量再[复]现性
requirement,需求
requirements analysis,需求分析
requirements specification,需求规格说明
reserve volume,储气室
reservoir,储液器
reset,复原
reset time,再调时间
residual buoyancy,剩余浮力
residual carrier,残余载波
residual current,残余电流；剩余电流
residual current transformer,剩余电流互感器
residual deflection,残余偏转
residual electromotive force of potentiometer,电位差计残余电动势
residual error,残差
residual error rate,残差率
residual inductance of resistance box,电阻箱残余电感
residual magnetic field detector,剩磁检查仪
residual magnetism,剩磁
residual method,剩磁法
residual resistance of resistance box,电阻箱残余电阻
residual standard deviation,残余标准偏差
residual unbalance,剩余不平衡量
residual variance,剩余方差
residual voltage,剩余电压
residual voltage at zero,零点残余电压
residual voltage transformer,剩余电压互感器
residual voltage winding,剩余电压绕组
resistance balance,电阻平衡
resistance box,电阻箱
resistance box with plug,插头式电阻箱
resistance box with rotary switch,旋转开关式电阻箱
resistance box with terminals,端接[钮]式电阻箱
resistance hygrometer,电阻湿度计
resistance inclinometer,电阻式井斜仪
resistance meter,电阻表
resistance psychrometer,电阻（干湿球）湿度计
resistance ratio(of resistance thermometer sensor),(热电阻的）电阻比
resistance strain gauge,电阻应变计[片]
(resistance)strain gauge drawing force and compression force transducer,（电阻）应变式拉压力传感器
(resistance) strain gauge drawing force transducer,（电阻）应变式拉力传感器
(resistance) strain gauge force transducer,（电阻）应变式力传感器
(resistance)strain gauge load cell,（电阻）应变式称重传感器