(resistance)strain gauge rolling force measuring instrument,（电阻）应变式轧制力测量仪
(resistance)strain gauge tensiometer resolution,（电阻）应变式张力计分辩力
resistance-temperature coefficient (of resistance thermometer sensor),（热电阻的）电阻温度系数
resistance thermometer detector (RTD),热电阻
resistance thermometer clement,热电阻元件
resistance thermometer sensor,热电阻
resistance thermometry,电阻测温法
resistance voltage to power supply,耐（电）压
resistance wire gauge,电阻线验潮仪
resistive moisture sensor,电阻式湿敏元件
resistive transducer [sensor],电阻式传感器
resistivity instrument,电阻率仪器
resistor caliper,电阻式井径仪
resoluting power,分辨率；
resolution,分辨力；分辨率；分离度
resolution error,分辨率误差
resolution factor,分辨力因数
resolution of strain instrument,应变仪分辨率
resolution power,分辨力
resonance,共振
resonance frequency,诺振频率
resonance method,共振法
resonance method (of measurement),诺振（测量）法
resonance technique,共振法
resonance technique,共振法
resonant vibrator,共振振动器
resonator pressure transducer,谐振式压力传感器
resonator transducer [sensor],谐振式传感器
resource allocation,资源分配
resource coordination,资源协调
resource optimization,资源优化
respiratory flow transducer [sensor],呼吸流量传感器
respiratory frequency transducer [sensor],呼吸频率传感器
responder,响应站
response,响应；响应值
response characteristic,响应特性
response curve,响应曲线
response speed,响应速度
response time,响应时间
restoring torque,反作用力矩
restricted breathing enclosure,限制通气外壳
restrictor,限流器
result of a measurement,测量结果
resultant magnetization,复合磁化
retard (pressure) gauge,缓行压力表
retention index,保留指数
retention time,保留时间
retention volume,保留体积
reticule,刻度板
return control,返回控制
return-flow wind tunnel,回流式风洞
return spring,复位弹簧
return-to-zero (RZ),归零制
reverberant field,混响声场
reverberation room,混响室
reverse action,反作用
reverse actuator,反作用执行机构
reverse bend tester,弯折试验机
revers osmosis method for desalination,反渗透淡化法
reverse search,逆谱库检索
reverse video,反相显示
reversed-phase column,反相柱
reversed-phase liquid chromatography,反相液相色谱法
reverser,反向器
reversing thermometer,颠倒温度表
revising method of (thermal) electromotive force,（热）电动势修正法
revisit rate,回访速率
revolution speed,转速
revolution speed check table,转速校验台
revolution speed transducer,转速传感器
Reynolds number,雷诺数
RF-presentation,射频显示；不检波显示
rhodium-iron resistance thermometer,铑铁电阻
rigid disk drive,硬磁盘机
rigid polyvinyl chloride,硬聚氯化烯
rigid rotor,刚性转子
ring balance,环秤
ring balance manometer,环秤压力计
ring-down pulse,振铃脉冲
ring network,环形网络
ring viscometer,环式粘度计
ringing frequency,自振周期
ringing period,自振周期
ripple,纹波
ripple coefficient of voltage,电压纹波系数
ripple voltage,纹波电压
rise time,上升时间
rise-time discrimination,上升时间鉴别
risk analysis,风险决策
risk evaluation,风险评价
robot,机器人
robot programming language,机器人编程语言
robot system,机器人系统
robotics,机器人学
robust control,鲁棒控制
robust controller,鲁棒控制器
robustness,鲁棒性
rock densitometer,岩石密度计
rock pression sclerometer,岩石压入硬度计
rocketsonde,火箭探空仪
Rockwell hardness number,洛氏硬度值
Rockwell hardness penetrator,洛氏硬度压头
Rockwell hardness tester,洛氏硬度计
Rockwell superficial hardness number,表面洛氏硬度值
Rockwell superficial hardness tester,表面洛氏硬度计
rod anode X-ray tube,棒阳极X射线管
rod of pendulum,摆杆
roentgen,伦琴
Roland circle,罗兰圆
roll chart [paper],卷筒式记录纸
roll-gap,辊缝
rolling chains,滚链
rolling diaphragm actuator,滚动膜片执行机构
rolling sphere viscometer,滚球式粘度计
rolling test,滚动试验
root mean square (RMS) detector,均方根检波器
Roots flowmeter,腰轮流量计
rosette sampling system,多袋采水器
"rotary"displacement meter,“旋转”排量式仪表
rotary eccentric plug valve,偏心旋转阀
rotary motion valve,角行程阀
rotary pump,机械泵
rotating beam apparatus,旋臂装置
rotating-beam ceilometer,旋转波束云高计
rotating-beam cloud height meter,旋转波整束云高计
rotating cylinder viscometer,旋转圆筒式粘度计
rotating magnetometer,旋转磁力仪
rotating [oscillating] piston flowmeter,旋转活塞流量计
rotating target X-ray tube,旋转阳极X射线管
rotating vibration generator,回转振动器
rotation magnetic field,旋转磁场
rotation magnetization,旋转磁化
rotation or vibrating coil magnetometer,旋转或振动线圈磁强计
rotational distortion,旋转畸变
rotational viscometer,旋转粘度计
rotative speed,转速
rotative speed difference,转速差
rotor,转子
rotor axis,转子轴线
rotor flow transducer [sensor],转子流量传感器
rotor gear,转子齿轮
run of wind,风程
run-of-wind anemometer,风程表
running means,滑动平均
round trip propagation time,往返传播时间
routine,例行程序
routine tese,出厂检验；例行试验
rupture pressure,破坏压力
rustpreventive packaging,防锈包装
rustproof packaging,防锈包装
Rutherford Back scattering spectroscopy;RBS spectroscopy,卢瑟福背散射谱法