rated travel,額定行程；標(biāo)稱行程
    rated travel time,額定行程時間
    rated tube current,額定管電流
    rated tube voltage,額定管電壓
    rated value,額定值
    rated valve capacity,閥額定容量
    rated voltage factor,額定電壓因數(shù)
    rating attraction force,額定吸力
    rating power consumption,額定功耗
    rating test,標(biāo)定試驗
    ratio chromatism,倍率色差
    ratio controller,比值控制器
    ratio meter,比率表
    ratio of specific heat capacities,比熱比
    ratio of the pole spacing to the bore diameter of the pole pieces,極靴的間距與孔徑比
    ratio station,比值操作器
    ratio thermometer,比色溫度計
    raw spectra,原譜
    rawinsonde,無線電測風(fēng)探空儀
    reachability,可達性；能達性
    reachable set,可達集；能達集
    reachable state,可達狀態(tài)；能達狀態(tài)
    reaction gas,反應(yīng)氣
    reaction gas chromatography,反應(yīng)氣相色譜法
    reaction interval,反應(yīng)區(qū)間；反應(yīng)程
    reaction wheel,反作用輪
    reaction wheel control,反作用輪控制
    reactive energy meter[varhour meter],無功電度表[乏時計]
    reactive powermeter,無功功率表
    read,讀
    read-only memory(ROM),只讀存儲器
    read-only storage,只讀存儲器
    readability,易讀性；可讀度；讀數(shù)精度
    reading bridge,讀數(shù)電橋
    reading strain,應(yīng)變讀數(shù)
    readjustments,重調(diào)
    readout time,讀出時間
    real gas critical flow coefficient,真實氣體臨界流量系數(shù)
    real-aperture side-looking airborne radar,實孔徑側(cè)視雷達
    real image,實象
    real strain,真實應(yīng)變
    real time,實時
    real time analysis,實時分析
    real time analyzer,實時分析儀
    real-time clock,實時時鐘
    real time control,實時控制
    real-time control system,實時控制系統(tǒng)
    real time date processing,實時數(shù)據(jù)處理
    real time expert system,實時專家系統(tǒng)
    real time input,實時輸入
    real time output,實時輸出
    real time remote control,實時遙控
    real time simulation,實時仿真
    real time simulation algorithm,實時仿真算法
    real time system,實時系統(tǒng)
    real time telemetry,實時遙測
    real-time trend panel,實時趨勢畫面
    realizability,可實現(xiàn)性；能實現(xiàn)性
    realization of international temperature scale,國際溫標(biāo)的復(fù)現(xiàn)
    rearrangedmolecular ion,重排分子離子
    rearrangement ion,重排離子
    receiver element,接收器元件
    recessed bearing,槽形支承
    reciprocal linear dispersion,倒數(shù)線色散
    reciprocating piston flowmeter,簇復(fù)活塞式流量計
    reciprocating pump,往復(fù)泵
    reciprocity calibration,互易法校準(zhǔn)
    recombination type transducer [sensor],復(fù)合型傳感器
    record,記錄
    recorder,記錄儀
    recording,記錄
    recording anemometer,風(fēng)速計
    recording chart,記錄紙
    recording clock,自記鐘
    recording device,記錄裝置
    recording instrument,自記儀器
    recording(measuring)instrument,記錄（測量）儀器
    recording medium,記錄介質(zhì)
    recording snow-gauge,自記雪量計
    recording sync,記錄同步
    recording theodolite,自記經(jīng)緯儀
    recovery time,恢復(fù)時間
    rectangular coordinate type potentiometer,直角坐標(biāo)式電位差計
    rectifier,整流器；糾正儀
    rectifier instrument,整流式儀表
    rectilinear ordinates recording instrument,直線坐標(biāo)記錄儀
    rectilinear vibration,直線振動
    recursive estimation,遞推估計
    recycle chromatography,循環(huán)色譜法
    redox electrode assembly,氧化還原復(fù)合電極
    redox potential meter,氧化-還原電位測定儀
    reduced capacity trim,低容量閥內(nèi)件
    reduced model,降階模型
    reduced order observer,降階觀測器
    reduced viscosity,還原粘度
    reducing plane table equipment,歸算平板儀
    reduction of area,斷面收縮率
    reduction of length,縮短率
    redundancy computer system,冗余計算機系統(tǒng)
    redundancy unit,冗余單元；冗余設(shè)備
    redundant information,冗余信息
    reentry control,再入控制
    reference block [specimen],比較試塊；對比試塊；參考試塊
    reference chart,參比記錄紙
    reference coil,參考線圈；基準(zhǔn)線圈
    reference column,參比柱
    reference condition,參比條件
    reference electrode,參比電極
    reference holder,參比物支持器；參比器
    reference junction,參比端
    reference junciton error(of thermocouple),（熱電偶的）參比端誤差
    (reference junction temperture) compensator,（參比端溫度）補償器
    reference line,參比線
    reference load calibrating machine,基準(zhǔn)測力機
    reference material,參比物質(zhì)
    reference model,參考模型
    reference operating condition,參比工作條件
    reference performance characteristice,參比性能特性
    reference pressure,參比壓力
    reference range,參比范圍
    reference sample,參比試樣
    reference signal,參比信號
    reference sound intensity,參考聲強
    reference sound power,參考聲功率
    rdference sound pressure,參考聲壓
    reference source,參比源
    reference standard,參比[考]標(biāo)準(zhǔn)（器）
    reference table (of thermocouple),（熱電偶的）分度表
    reference test pieces,對比試塊
    reference value,參比值
    reference-value method,參比值法
    reference-value scale(of a quantity or property),（量或特性）參比值標(biāo)度
    reference variable,參比變量