D
D and D/2 pressure tappings,D和D/2取壓口
D-port,D型端口
DC-DC LVDT displacement transducer,直流差動變壓器式位移傳感器
d.c.bridge for measuring high resistance,直流高阻電橋
d.c.bridge for measuring resistance,測量電阻用的直流電橋
d.c.comparator potentiometer,直流比較儀式電位差計
d.c.comparator type bridge,直流比較儀式電橋
d.c.potentiometer,直流電位差計
d.c.power voltage ripple,直流電源電壓紋波
d.c.resistance box,直流電阻箱
d.c.resistor volt ratio box,直流電阻分壓箱
d.c.voltage calibrator,直流電壓校準器
Daly detector,戴利檢測器
damped frequency,阻尼頻率
damped natural frequency,阻尼固有頻率
damped oscillation,阻尼振蕩
damper,阻尼器
damping,阻尼
damping action,阻尼作用
damping characteristic,阻尼特性
damping constant,阻尼常數
damping deflection period,阻尼比
damping torque,阻尼力矩
damping torque coefficient,阻尼力矩系數
dangerous articles package,危險品包裝
dark field electron image,暗場電子象
data,數據
data acquistion,數據采集
data acquisition equipment,數據采集設備
data acquisition station,數據采集站
data base,數據庫
data base management system,數據庫管理系統(tǒng)
data buoy system,數據浮標系統(tǒng)
data circuit,數據電路
data circuit-terminating equipment(DCE),數據電路終接設備
data communication,數據通信
data concentration,數據集中
data concentrator,數據集中分配器
data driven,數據驅動
data encryption,數據加密
data flow diagram,數據流圖
data highway,數據公路
data integrity,數據完整性
data link,數據鏈路
data link layer(DLL),數據鏈路層
data link protocol specification,數據鏈路協(xié)議規(guī)范
data link service definition,數據鏈路服務定義
data logger,數據記錄裝置
data logging,數據記錄
data network,數據網絡
data preprocessing,數據預處理
data processing,數據處理
data processing system,數據處理器[機]
data set,數傳機
data signalling rate,數據傳信率
data sink,數據宿；數據接收器
data source,數據源
data station,數據站
data terminal equipment,(DTE),數據終端設備
data transfer,數據傳遞
data transfer rate,數據傳送率；數據傳輸速率
data transmission,數據傳輸
data transmission interface,數據傳輸接口
dataway,（機箱）數據路
dataway operation,（機箱）數據路操作
dead band,死區(qū)
dead band error,死區(qū)誤差
dead layer,死層
dead time,時滯；死時
dead volume,死體積；靜容量
dead weight tester,活塞式壓力計
dead zone,盲區(qū)
dead zone error,死區(qū)誤差
debugging,調試
decade resistance box,十進電阻箱
decalibration,標定降級
decentrality,分散性
decentralization,分散化
decentralized control,分散控制
decentralized control system,分散控制系統(tǒng)
decentralized model,分散模型
decentralized robust control,分散魯棒控制
decentralized stochastic control,分散隨機控制
decision analysis,決策分析
decision model,決策模
decision program,決策程序
decision space,決策空間
decision support system,決策支持系統(tǒng)
decision table,判定表
decision theory，決策（理）論
decision tree,決策樹
decrement ratio,減幅比
deep sea instrument capsule,深海儀器艙
defect,缺陷
defining fixed point,定義固定點
definitionm,清晰度
deflecting torque,偏轉力矩
deflection,撓度
deflection method,偏位法
deflection period,擺動周期
defocus contrast,離焦襯度
dehumidification,除濕
dehumidifier,除濕器
delay distance,滯后距離
delay time,滯后時間
delayed echo,遲到反射波
delayed telemetry,延時遙測
delimiter bit,定界位
delimiter byte,定界定節(jié)
delta-T,時間差；時差
delta-T timing unit,時差計時單元
demagnetization,退磁
demagnetizer,退磁機；退磁裝置
demagnetizing coil,消磁線圈
demand,請求
demand handling,請求處理
demand message,請求報文
democratic system,民主系統(tǒng)
demodulation,解調
demodulator,解調器
densitometer,密度計；黑度計
density,密度
density correction,密度修正
density logger,密度測井儀
density meter(of ionizing radiaiton),（電離輻射）密度計
density of heat flow,熱流密度
density of snow,積雪密度
density(photographic),（照相的）黑度
density transducer[sensor],密度傳感器
depressor,沉降器
depth bellows,深波紋管
depth controller,深度控制器
depth of field,景深
depth of focus,焦深
depth of penetration,穿透深度
depth of snow,雪深
depth scan,前后掃查
depth sounding,測深
derivative absorption spectrum,導數吸收光譜
derivative action;D-action,微分作用；D-作用
derivative action coefficient,微分作用系數
derivative action gain,微分作用增益
derivative action time,微分作用時間
derivative differential thermal analysis,導數差示熱分析
derivative differential thermal curve,導數差示熱曲線
derivative dilatometry,導數膨脹法
derivative feedback,微分反饋
derivative thermogravimetric curve,導數熱重曲線
derivative thermogravimetry,導數熱重法
derivative unit,微分器
derived unit(of measurement),導出（測量）單位
describing function,描述函數
design automation,設計自動化
design constant,設計常數
design distance,設計距離
design of simulation dxperiment,仿真實驗設計
designed immersion depth,設計浸入深度
desired value,預期值
desorption chemical ionization(DCI),解吸化學電離
destination,目的站
detectability,可檢測性；能檢測性；檢測能力
detectability(chromatographic),（色譜）檢測限
detecting instrument,檢出器；檢測元件；檢波器
developer,顯示劑
development tank,展開罐
deviation,偏差
deviation alarm sensor,偏差報警檢測器
deviation from lonearity,偏離線性度
deviation of the e.m.f.(with respect to the certified value), 電動勢的偏差值（相對于檢定值)
device,裝置
Device Net，Device Net 總線；裝置網
dew cell,露池
dew-point,露點
dew-point hygrograph,露點計
dew point hygrometer,露點濕度計；露點濕度表
dew point temperature,露點溫度
dew point transducer[sensor],露點傳感器
dewgauge,露量表；露量器
diagnostic function,診斷功能
diagnostic model,診斷模型
diagnostic program,診斷程序
diagonal beam,斜束
dial,標度盤
diameter,直徑
diameter ratio,直徑比
diamond array,菱形陣
diaphragm,膜片；隔膜；保護膜
diaphragm actrator,薄膜執(zhí)行機構
diaphragm capsule,膜盒
deaphragm gas meter,膜式煤氣表
deaphragm(pressure)gauge,膜片壓力表
diaphragm pressure span,膜片壓力量程
diaphragm-seal(pressure) gauge,隔膜壓力表
diaphragm strain gauge,膜片式應變計
diaphragm valve,隔膜閥
dielectric ampliude imduction logging instrument,幅度介電感應測井儀
dielectric phase induction logger,相位介電感應測井儀
difference absorption spectrum,差式吸引光譜
difference galvanometer,差動檢流計
difference input,差分輸入
differential amplifier,差動放大器
differential chromatography,差示色譜法
differential coil,差動線圈
differential ditector,微分型檢測器
differential dilatometry,差示熱膨脹法
differential error of the slope,斜率的微分誤差
differential galvanometer,差動檢流計
differential gap,切換差
differential Manchester encoding,差分曼徹斯特編碼
differential measurement,微差測量
differential measuring instrument,差動測量儀表
differential method of calibrating thermocouple,熱電偶微差檢定法
differential method of measurement,微差測量法
differential pistorn,差動活塞
differential preamplifier,差動前置放大器
differential pressure,差壓
differential pressure devices,差壓裝置
differential pressure flow transducer[sensor],差壓流量傳感器
differential pressure flowmeter,差壓流量計
differential(pressure)gauge,差壓壓力表
differential pressure level transducer[sensor],差壓（式）物位傳感器
differential pressure ratio,差壓比
differential pressure transducer[sensor],差壓傳感器
differential read-out,差動讀出
differential refraction detector,示差折光檢測器
differential scanning calorimeter,差示掃描量熱儀
differential scanning calorimetry(DSC),差示掃描量熱法
differential thermal analysis(DTA),差（示）熱分析
differential thermal analysis curve,差熱曲線
differential thermal analysis in an isothermal environment, 等溫環(huán)境下的差示熱分析 differential thermal analysis meter,差示熱分析儀；DTA儀
differential thermal analyzer,差熱）分析）儀
differential thermal curve,差示熱曲線；DTA曲線
differential thermocouple,差分熱電偶；差示熱電偶
differential thermometric titration,差熱滴定（法）
differential transducer,差動換能器
differential transformer,差動變壓器
differential transformer displacement transducer,差動變壓器式位移傳感器 (differential)transformer pressure transducer,（差動）變壓器式壓力傳感器 diffraction grating,衍射光柵
diffraction lens,衍射透鏡
diffraction resolution,衍射分辨力
diffuse field,擴散聲場
diffuse-field response of microphone, 傳聲器擴散聲場頻率響應；傳聲器擴散場響應 diffuse-field sensitivity of microphone,傳聲器擴散場靈敏度
diffused dilicon semiconductor force meter,擴散硅式測力計
diffused silicon semiconductor force transducer,擴散硅式力傳感器
diffrsed silicon semiconductor tensiometer,擴散硅式張力計 diffused type semiconductor strain gauge,擴散型半導體應變計
diffusion current,擴散電流
diffusion pump,擴散泵
digital ammeter,數字電流表
digital communication,數字通信
digital compensation,數字補償
digital computer,數字計算機
digital control,數字控制
digital control system,數字控制系統(tǒng)
digital controller,數字控制器
digital data,數字數據
digital data acquisition system,數字數據采集系統(tǒng)
digital data processing system,數字數據處理系統(tǒng)
digital deep-level seimograph,數字深層地震儀
digital displacement measuring instrument,數字式位移測量儀
digital displacement transducer,數字式位移傳感器
digital electric actuator,數字式電動執(zhí)行機構
digital feedback system,數字反饋系統(tǒng)
digital filter,數字濾波器
digital fluxmeter,數字磁通表
digital frequency meter,數字頻率表
digital information processing system,數字信息處理系統(tǒng)
digital input,數字輸入
digital integrating fluxmeter,數字積分式磁通表
digital logging instrument,數字測井儀
digital magnetic tape record type strong-motion instrument, 數字磁帶記錄強震儀 digital magnetic telluro sounding instrument,數字大地電磁測深儀
digital measuring instrument,數字式測量儀器儀表
digital multimeter,數字萬用表；數字復用表
digital ohmmeter,數字電阻表
digital ouput,數字輸出
digital phase meter,數字相位表
digital position transmitter,數字式位置發(fā)送器
digital positioner,數字式定位器
digital power driver,數字功率表
digital pressure gauge,數字壓力表
digital readout,數字讀出
digital representation of a physical quantity,物理量的數字表示
digital seismic recoridng system,數字地震儀
digital signal,數字信號
digital signal analyzer,數字信號分析儀
digital signal processing,數字信號處理
digital simulation,數字仿真
digital simulation computer,數字仿真計算機
digital strain indicator,數字應變儀
digital system,數字系統(tǒng)
digital telemetering system,數字遙測系統(tǒng)
digital transducer[sensor],數字傳感器
digital valve,數字閥
digital voltmeter,數字電壓表
digital-analog conversion,樓模轉換
(digital-analog)hybrid computer,（數字模擬）混合計算機
digital-analog simulator,數字模擬仿真器
digital-analogue converter;D/A converter,數—模轉換器；D/A轉換器
digitalization error,數字化誤差
digitization,數字化
digitization error,數字化誤差
digitizer,數字化儀
dilatometry,膨脹法
diluent gas,稀釋氣
dilution factor,稀釋因數
dilution methods,稀釋法
dilution ratio[rate],稀釋比[率]
dimension,尺度
dimension transducer[semsor],尺度傳感器
Dines anemometer,達因風速表
diopter,視度
dip logger,地層傾角測井儀
direct acting instrument,直接作用儀表
direct acting recording instrument,直流作用記錄儀
direct action,正作用
direct action solenoid valve,直動式電磁閥
direct actuator,正作用執(zhí)行機構
direct-comparison method of measurement,直接比較測量法
direct control layer,直接控制層
direct-current linear variable differential transformer(DC-DC LVDT), 直流差動變壓器 direct digital control station ,直接數字控制站
direct digital control,直接數字控制
direct heated type thermistor,直熱式熱敏電阻器
direct-imaging mass analyser,直接成象質量分析儀
direct injection burner,直接注入燃燒器
direct injector,直流進樣器
direct method of measurement,直接測量法
direct mounting gauge,直接安裝壓力表
direct-operated regulator,直接作用式調節(jié)閥；自力式調節(jié)閥
direct probe inlet,直接探頭進樣
direct reading current meter,直讀式海流計
direct reading instrument,直讀式儀器
direct record strong-motion instrument,直接記錄式強震儀
direct resistance heating,直接電阻加熱
direction focusing,方向聚焦
direction indicator,中心指示器
direction mark meter,方位標儀
directional frequency response of microphone,傳聲器指向性頻率響應
directional pattern of microphone,傳聲器指向性圖案
directivity,指向性
directivity index of microphone,傳聲器指向性指數
directly controlled system,直接被控系統(tǒng)
directly controlled variable,直接被控變量
director,指揮站
disappearing-filament optical pyrometer,隱絲式光學高溫計
disc,閥板
disc plug,盤形閥芯
disc recorder,圓盤（形）記錄儀
discharge coefficient,流出系數
discharge lamp,放電燈
discontinuous control,不連續(xù)控制
discontinuous control system,不連續(xù)控制系統(tǒng)
discontinuous simultaneous techniques,間歇聯用技術；不連續(xù)同時串用技術
discrete control system,離散控制系統(tǒng)
discrete signal,離散信號
discrete system model,離散系統(tǒng)模型
discrete system simulation,離散系統(tǒng)仿真
discrete system simulation language,離散系統(tǒng)仿真語言
discriminant function,判別函數
discrimination,鑒別力
discrimination threshold,鑒別力閥
diskette,軟磁盤
dispersion dose,散射劑量
dispersion power,色散本領
dispersive crystal,分光晶體
dispersive infra-red gas analyzer,色散紅外線氣體分析器
displacement,位移
displacement divelopment,頂替展開法
displacement pickup,位移傳感器
displacement transducer[sensor],位移傳感器
displacement,velocity and acceleration shock response spectrum, 位移、速度和加速度沖擊響應譜
display attribute,顯示屬性
display console,顯示控制臺
display device,顯示器；顯示設備
display element,顯示元件
display unit,顯示單元
dissipation constant,耗散常數
dissipation power,耗散功率
dissolved oxygen analyzer,溶解氧分析器
dissolved oxygen analyzer for seawater,海水溶解氧測定儀
dissolved oxygen of seawater,海水中的溶解氧
distance amplitude compensation,距離振幅補償
distance amplitude curve,距離振幅曲線
distance constant,距離常數
distance factor,距離系數
distance marder,距離刻度
distance meter,測距儀
distance of centre of gravity,重心距
distorted peak,畸峰
distortion,失真；畸變
distributed computer-control SDAS,分布式遙測型數字地震儀
distributed computer control system, 分散型計算機控制系統(tǒng)；分布式計算機控制系統(tǒng)
distributed control,分散控制；分布控制
distributed control system,分散型控制系統(tǒng)；分布式控制系統(tǒng)
distributed data base,分布式數據庫
distributed intelligence,分散智能 distributed networkm,分布式網絡
distributed parameter control system,分散[分布]能數控制系統(tǒng)
distributed telemetry SDAS,分布式遙測型數字地震儀
distribution temperature,分布溫度
disturbance,擾動
dither,顫振
dithering,顫動
diverging three way valve,三通分流閥
diverter,換向器
diving bell,潛水鐘
document,文件；文獻
documentation,文件管理；文件集
domestic package,內銷包裝
dominant frequency,優(yōu)勢頻率；主頻率
Doppler current meter,多普勒海流計
Doppler effect,多普勒效應
Doppler flowmeter,多普勒流量計
Doppler radar,多普勒雷達
Doppler sonar,多普勒聲納
dose,劑量
dose rate,劑量率
dose rate meter,劑量率計
dosementer,劑量計
dot matrix printer,點陣式打印機
dot printer,點陣印刷機；點陣打印機
dotted line recorder,斷續(xù)線記錄儀
dotting time,打點時間
double acting positioner,雙作用定位器
double-beam mass spectrometer,雙束質譜計
double beam spectrum radiator,雙光束光譜福射計
double bounce technique,二次反射法
double collectors,雙接收器
double-cone viscometer,雙錐粘度計
double crystal probe,雙振子探頭
double-dry calorimeter,雙干式熱量計
double-focusing mass spectroscope,雙聚焦質譜儀器
double-focus X-ray tube,雙焦點X射線管
double focusing,雙聚焦
double focusing analyzer,雙聚焦分析器
double focusing at all masses,全質量雙聚焦
double-image tacheometer,雙像速測儀
double inlet system,雙進樣系統(tǒng)
double insulation,雙重絕緣
double-junction SQUID magnetometer,雙結磁強計
double-magnification imaging,雙放大倍率成象法
double pan balance,雙盤天平
double-pass internal reflection element,雙通內反射元件
double-path rato thermometer,雙通道比色溫度計
double-polarity method for calibrating thermocouple,熱電偶雙級檢定法
double probe technique,熱電偶雙極檢定法
double probe technique,雙探頭法
double tube mercury manometer,雙管水銀壓力表
dulble tube thermometer,套管溫度表
dulble vibration amplitude,雙振幅
down time,停機時間
downhole instrument,下井儀器
downwar(total)radiation,向下（全）輻射
downward terrestrial radiantion,大氣向下輻射
draft standard,標準草案
drag of towed vehicale,拖曳體阻力
drain boles,排泄孔
draught drying cabinet,電熱鼓風干燥箱
drawing force,拉力
dredge,拖曳式采樣器
drift,漂移
drift bottle,漂流瓶
drift card,漂流卡
drift plate drogue,漂流板
drifting buoy,漂流浮標
driving chart[paper]swaying,走紙偏差
driving device,驅動裝置
driving torque,驅動力矩
drooping characteristic,下降特性
drop size meter,滴譜儀
drop test,跌落試驗
dropping mercury electrode,滴汞電極
dropsonde,下投式探空儀
drosometer,露量表；露量器
drum recorder,鼓形記錄儀
dry air,干空氣
dry bulb,干球
dry gas meter,干式氣體表
dry heat test,干熱試驗
dry-bulb thermometer,干球溫度表
drying cabinet on forecd convection,電熱鼓風干燥箱
drying oven,干燥箱
DSC curve,差示掃描量熱曲線
DSC meter,差示掃描量熱儀
DSC-TC,差示掃描量熱儀/熱天平
DTA range,DTA,范圍；差熱分析范圍
dual computer system,雙并列計算機系統(tǒng)；復式計算機系統(tǒng)
cual-flame ionization detector,雙火焰離子化檢測器
dual purpose voltage transformer,雙重用途電壓互感器
duet,對（兩個換能器的一種布置方式）
dump,轉儲
duoplasmatron ion source,雙等離子體離子源
duplex(pressure)gauge,雙工[雙針]壓力表
duplex transmission,雙工傳輸
duplexed computer system,雙計算機系統(tǒng)
durabilitym,耐久性 duration,持續(xù)時間
duration of cycle,周期時間
duration of load,負荷保持時間
dust analyzer,塵量分析儀
dust counter,計塵器
dustproof instrument,防塵式儀器儀表
dustproof packaging,防塵包裝
dust-proof solenoid valve,防塵型電磁閥
dwell time,停頓時間
dye marks,染色測流法
dye-penetrant testing method,著色滲透探傷法
dynamic accumulation error,動態(tài)累計誤差
dynamic calibrator,動態(tài)校準器
dynamic characteristic calibrater,動態(tài)特性校準儀
dynamic characteristics,動態(tài)特性
dynamic deviation,動態(tài)偏差
dynamic display image,動態(tài)顯示圖象
dynamic error,動態(tài)誤差
dynamic error coefficient,動態(tài)誤差系數
dynamic gauging,動態(tài)容積測量法
dynamic load,動負荷
dynamic mass spectrometer instruments,動態(tài)質譜儀器
dynamic measurement,動態(tài)測量
dynamic microphone,電動傳聲器
dynamic model,動態(tài)模型
dynamic pressure,動壓
dynamic pressure of fluid element,流體單元動壓
dynamic pressure transducer[sensor],動態(tài)壓力傳感器
dynamic range,動態(tài)范圍
dynamix range of microphone,傳聲器動態(tài)范圍
dynamic resolution,動態(tài)分辨力
dynamic response,動態(tài)響應
dynamic SIMS,動態(tài)二次離子質譜法
dynamic standard strain device,動態(tài)標準應變裝置
dynamic stiffness,動剛度
dynamic stiffnesss of the moving element suspension,運動部件懸掛動剛度
dynamic stiffenss ratio,動剛度比
dynamic storage allocation,動態(tài)存儲分配
dynamic strain,動應變
dynamic strain indicator,動態(tài)應變儀
dynamic thermomechanical analysis,動態(tài)熱機械分析
dynamic thermomechanical analysis apparatus,動態(tài)熱機械分析儀
dynamic thermomechanometry,動態(tài)熱機械法
dynamic(two-plane)balancing,動（雙面）平衡
dynamic(two-plane)balancing machine,動（雙面）平衡機 dynamic unbalance,動態(tài)不平衡
dynamic vane bias,風向標的動力偏幅
dynamic viscosity,動力粘度
dynamic water tank,動水槽
dynamic wieghing method,動態(tài)稱重法
dynamometric system,測力系統(tǒng)
D and D/2 pressure tappings,D和D/2取壓口
D-port,D型端口
DC-DC LVDT displacement transducer,直流差動變壓器式位移傳感器
d.c.bridge for measuring high resistance,直流高阻電橋
d.c.bridge for measuring resistance,測量電阻用的直流電橋
d.c.comparator potentiometer,直流比較儀式電位差計
d.c.comparator type bridge,直流比較儀式電橋
d.c.potentiometer,直流電位差計
d.c.power voltage ripple,直流電源電壓紋波
d.c.resistance box,直流電阻箱
d.c.resistor volt ratio box,直流電阻分壓箱
d.c.voltage calibrator,直流電壓校準器
Daly detector,戴利檢測器
damped frequency,阻尼頻率
damped natural frequency,阻尼固有頻率
damped oscillation,阻尼振蕩
damper,阻尼器
damping,阻尼
damping action,阻尼作用
damping characteristic,阻尼特性
damping constant,阻尼常數
damping deflection period,阻尼比
damping torque,阻尼力矩
damping torque coefficient,阻尼力矩系數
dangerous articles package,危險品包裝
dark field electron image,暗場電子象
data,數據
data acquistion,數據采集
data acquisition equipment,數據采集設備
data acquisition station,數據采集站
data base,數據庫
data base management system,數據庫管理系統(tǒng)
data buoy system,數據浮標系統(tǒng)
data circuit,數據電路
data circuit-terminating equipment(DCE),數據電路終接設備
data communication,數據通信
data concentration,數據集中
data concentrator,數據集中分配器
data driven,數據驅動
data encryption,數據加密
data flow diagram,數據流圖
data highway,數據公路
data integrity,數據完整性
data link,數據鏈路
data link layer(DLL),數據鏈路層
data link protocol specification,數據鏈路協(xié)議規(guī)范
data link service definition,數據鏈路服務定義
data logger,數據記錄裝置
data logging,數據記錄
data network,數據網絡
data preprocessing,數據預處理
data processing,數據處理
data processing system,數據處理器[機]
data set,數傳機
data signalling rate,數據傳信率
data sink,數據宿；數據接收器
data source,數據源
data station,數據站
data terminal equipment,(DTE),數據終端設備
data transfer,數據傳遞
data transfer rate,數據傳送率；數據傳輸速率
data transmission,數據傳輸
data transmission interface,數據傳輸接口
dataway,（機箱）數據路
dataway operation,（機箱）數據路操作
dead band,死區(qū)
dead band error,死區(qū)誤差
dead layer,死層
dead time,時滯；死時
dead volume,死體積；靜容量
dead weight tester,活塞式壓力計
dead zone,盲區(qū)
dead zone error,死區(qū)誤差
debugging,調試
decade resistance box,十進電阻箱
decalibration,標定降級
decentrality,分散性
decentralization,分散化
decentralized control,分散控制
decentralized control system,分散控制系統(tǒng)
decentralized model,分散模型
decentralized robust control,分散魯棒控制
decentralized stochastic control,分散隨機控制
decision analysis,決策分析
decision model,決策模
decision program,決策程序
decision space,決策空間
decision support system,決策支持系統(tǒng)
decision table,判定表
decision theory，決策（理）論
decision tree,決策樹
decrement ratio,減幅比
deep sea instrument capsule,深海儀器艙
defect,缺陷
defining fixed point,定義固定點
definitionm,清晰度
deflecting torque,偏轉力矩
deflection,撓度
deflection method,偏位法
deflection period,擺動周期
defocus contrast,離焦襯度
dehumidification,除濕
dehumidifier,除濕器
delay distance,滯后距離
delay time,滯后時間
delayed echo,遲到反射波
delayed telemetry,延時遙測
delimiter bit,定界位
delimiter byte,定界定節(jié)
delta-T,時間差；時差
delta-T timing unit,時差計時單元
demagnetization,退磁
demagnetizer,退磁機；退磁裝置
demagnetizing coil,消磁線圈
demand,請求
demand handling,請求處理
demand message,請求報文
democratic system,民主系統(tǒng)
demodulation,解調
demodulator,解調器
densitometer,密度計；黑度計
density,密度
density correction,密度修正
density logger,密度測井儀
density meter(of ionizing radiaiton),（電離輻射）密度計
density of heat flow,熱流密度
density of snow,積雪密度
density(photographic),（照相的）黑度
density transducer[sensor],密度傳感器
depressor,沉降器
depth bellows,深波紋管
depth controller,深度控制器
depth of field,景深
depth of focus,焦深
depth of penetration,穿透深度
depth of snow,雪深
depth scan,前后掃查
depth sounding,測深
derivative absorption spectrum,導數吸收光譜
derivative action;D-action,微分作用；D-作用
derivative action coefficient,微分作用系數
derivative action gain,微分作用增益
derivative action time,微分作用時間
derivative differential thermal analysis,導數差示熱分析
derivative differential thermal curve,導數差示熱曲線
derivative dilatometry,導數膨脹法
derivative feedback,微分反饋
derivative thermogravimetric curve,導數熱重曲線
derivative thermogravimetry,導數熱重法
derivative unit,微分器
derived unit(of measurement),導出（測量）單位
describing function,描述函數
design automation,設計自動化
design constant,設計常數
design distance,設計距離
design of simulation dxperiment,仿真實驗設計
designed immersion depth,設計浸入深度
desired value,預期值
desorption chemical ionization(DCI),解吸化學電離
destination,目的站
detectability,可檢測性；能檢測性；檢測能力
detectability(chromatographic),（色譜）檢測限
detecting instrument,檢出器；檢測元件；檢波器
developer,顯示劑
development tank,展開罐
deviation,偏差
deviation alarm sensor,偏差報警檢測器
deviation from lonearity,偏離線性度
deviation of the e.m.f.(with respect to the certified value), 電動勢的偏差值（相對于檢定值)
device,裝置
Device Net，Device Net 總線；裝置網
dew cell,露池
dew-point,露點
dew-point hygrograph,露點計
dew point hygrometer,露點濕度計；露點濕度表
dew point temperature,露點溫度
dew point transducer[sensor],露點傳感器
dewgauge,露量表；露量器
diagnostic function,診斷功能
diagnostic model,診斷模型
diagnostic program,診斷程序
diagonal beam,斜束
dial,標度盤
diameter,直徑
diameter ratio,直徑比
diamond array,菱形陣
diaphragm,膜片；隔膜；保護膜
diaphragm actrator,薄膜執(zhí)行機構
diaphragm capsule,膜盒
deaphragm gas meter,膜式煤氣表
deaphragm(pressure)gauge,膜片壓力表
diaphragm pressure span,膜片壓力量程
diaphragm-seal(pressure) gauge,隔膜壓力表
diaphragm strain gauge,膜片式應變計
diaphragm valve,隔膜閥
dielectric ampliude imduction logging instrument,幅度介電感應測井儀
dielectric phase induction logger,相位介電感應測井儀
difference absorption spectrum,差式吸引光譜
difference galvanometer,差動檢流計
difference input,差分輸入
differential amplifier,差動放大器
differential chromatography,差示色譜法
differential coil,差動線圈
differential ditector,微分型檢測器
differential dilatometry,差示熱膨脹法
differential error of the slope,斜率的微分誤差
differential galvanometer,差動檢流計
differential gap,切換差
differential Manchester encoding,差分曼徹斯特編碼
differential measurement,微差測量
differential measuring instrument,差動測量儀表
differential method of calibrating thermocouple,熱電偶微差檢定法
differential method of measurement,微差測量法
differential pistorn,差動活塞
differential preamplifier,差動前置放大器
differential pressure,差壓
differential pressure devices,差壓裝置
differential pressure flow transducer[sensor],差壓流量傳感器
differential pressure flowmeter,差壓流量計
differential(pressure)gauge,差壓壓力表
differential pressure level transducer[sensor],差壓（式）物位傳感器
differential pressure ratio,差壓比
differential pressure transducer[sensor],差壓傳感器
differential read-out,差動讀出
differential refraction detector,示差折光檢測器
differential scanning calorimeter,差示掃描量熱儀
differential scanning calorimetry(DSC),差示掃描量熱法
differential thermal analysis(DTA),差（示）熱分析
differential thermal analysis curve,差熱曲線
differential thermal analysis in an isothermal environment, 等溫環(huán)境下的差示熱分析 differential thermal analysis meter,差示熱分析儀；DTA儀
differential thermal analyzer,差熱）分析）儀
differential thermal curve,差示熱曲線；DTA曲線
differential thermocouple,差分熱電偶；差示熱電偶
differential thermometric titration,差熱滴定（法）
differential transducer,差動換能器
differential transformer,差動變壓器
differential transformer displacement transducer,差動變壓器式位移傳感器 (differential)transformer pressure transducer,（差動）變壓器式壓力傳感器 diffraction grating,衍射光柵
diffraction lens,衍射透鏡
diffraction resolution,衍射分辨力
diffuse field,擴散聲場
diffuse-field response of microphone, 傳聲器擴散聲場頻率響應；傳聲器擴散場響應 diffuse-field sensitivity of microphone,傳聲器擴散場靈敏度
diffused dilicon semiconductor force meter,擴散硅式測力計
diffused silicon semiconductor force transducer,擴散硅式力傳感器
diffrsed silicon semiconductor tensiometer,擴散硅式張力計 diffused type semiconductor strain gauge,擴散型半導體應變計
diffusion current,擴散電流
diffusion pump,擴散泵
digital ammeter,數字電流表
digital communication,數字通信
digital compensation,數字補償
digital computer,數字計算機
digital control,數字控制
digital control system,數字控制系統(tǒng)
digital controller,數字控制器
digital data,數字數據
digital data acquisition system,數字數據采集系統(tǒng)
digital data processing system,數字數據處理系統(tǒng)
digital deep-level seimograph,數字深層地震儀
digital displacement measuring instrument,數字式位移測量儀
digital displacement transducer,數字式位移傳感器
digital electric actuator,數字式電動執(zhí)行機構
digital feedback system,數字反饋系統(tǒng)
digital filter,數字濾波器
digital fluxmeter,數字磁通表
digital frequency meter,數字頻率表
digital information processing system,數字信息處理系統(tǒng)
digital input,數字輸入
digital integrating fluxmeter,數字積分式磁通表
digital logging instrument,數字測井儀
digital magnetic tape record type strong-motion instrument, 數字磁帶記錄強震儀 digital magnetic telluro sounding instrument,數字大地電磁測深儀
digital measuring instrument,數字式測量儀器儀表
digital multimeter,數字萬用表；數字復用表
digital ohmmeter,數字電阻表
digital ouput,數字輸出
digital phase meter,數字相位表
digital position transmitter,數字式位置發(fā)送器
digital positioner,數字式定位器
digital power driver,數字功率表
digital pressure gauge,數字壓力表
digital readout,數字讀出
digital representation of a physical quantity,物理量的數字表示
digital seismic recoridng system,數字地震儀
digital signal,數字信號
digital signal analyzer,數字信號分析儀
digital signal processing,數字信號處理
digital simulation,數字仿真
digital simulation computer,數字仿真計算機
digital strain indicator,數字應變儀
digital system,數字系統(tǒng)
digital telemetering system,數字遙測系統(tǒng)
digital transducer[sensor],數字傳感器
digital valve,數字閥
digital voltmeter,數字電壓表
digital-analog conversion,樓模轉換
(digital-analog)hybrid computer,（數字模擬）混合計算機
digital-analog simulator,數字模擬仿真器
digital-analogue converter;D/A converter,數—模轉換器；D/A轉換器
digitalization error,數字化誤差
digitization,數字化
digitization error,數字化誤差
digitizer,數字化儀
dilatometry,膨脹法
diluent gas,稀釋氣
dilution factor,稀釋因數
dilution methods,稀釋法
dilution ratio[rate],稀釋比[率]
dimension,尺度
dimension transducer[semsor],尺度傳感器
Dines anemometer,達因風速表
diopter,視度
dip logger,地層傾角測井儀
direct acting instrument,直接作用儀表
direct acting recording instrument,直流作用記錄儀
direct action,正作用
direct action solenoid valve,直動式電磁閥
direct actuator,正作用執(zhí)行機構
direct-comparison method of measurement,直接比較測量法
direct control layer,直接控制層
direct-current linear variable differential transformer(DC-DC LVDT), 直流差動變壓器 direct digital control station ,直接數字控制站
direct digital control,直接數字控制
direct heated type thermistor,直熱式熱敏電阻器
direct-imaging mass analyser,直接成象質量分析儀
direct injection burner,直接注入燃燒器
direct injector,直流進樣器
direct method of measurement,直接測量法
direct mounting gauge,直接安裝壓力表
direct-operated regulator,直接作用式調節(jié)閥；自力式調節(jié)閥
direct probe inlet,直接探頭進樣
direct reading current meter,直讀式海流計
direct reading instrument,直讀式儀器
direct record strong-motion instrument,直接記錄式強震儀
direct resistance heating,直接電阻加熱
direction focusing,方向聚焦
direction indicator,中心指示器
direction mark meter,方位標儀
directional frequency response of microphone,傳聲器指向性頻率響應
directional pattern of microphone,傳聲器指向性圖案
directivity,指向性
directivity index of microphone,傳聲器指向性指數
directly controlled system,直接被控系統(tǒng)
directly controlled variable,直接被控變量
director,指揮站
disappearing-filament optical pyrometer,隱絲式光學高溫計
disc,閥板
disc plug,盤形閥芯
disc recorder,圓盤（形）記錄儀
discharge coefficient,流出系數
discharge lamp,放電燈
discontinuous control,不連續(xù)控制
discontinuous control system,不連續(xù)控制系統(tǒng)
discontinuous simultaneous techniques,間歇聯用技術；不連續(xù)同時串用技術
discrete control system,離散控制系統(tǒng)
discrete signal,離散信號
discrete system model,離散系統(tǒng)模型
discrete system simulation,離散系統(tǒng)仿真
discrete system simulation language,離散系統(tǒng)仿真語言
discriminant function,判別函數
discrimination,鑒別力
discrimination threshold,鑒別力閥
diskette,軟磁盤
dispersion dose,散射劑量
dispersion power,色散本領
dispersive crystal,分光晶體
dispersive infra-red gas analyzer,色散紅外線氣體分析器
displacement,位移
displacement divelopment,頂替展開法
displacement pickup,位移傳感器
displacement transducer[sensor],位移傳感器
displacement,velocity and acceleration shock response spectrum, 位移、速度和加速度沖擊響應譜
display attribute,顯示屬性
display console,顯示控制臺
display device,顯示器；顯示設備
display element,顯示元件
display unit,顯示單元
dissipation constant,耗散常數
dissipation power,耗散功率
dissolved oxygen analyzer,溶解氧分析器
dissolved oxygen analyzer for seawater,海水溶解氧測定儀
dissolved oxygen of seawater,海水中的溶解氧
distance amplitude compensation,距離振幅補償
distance amplitude curve,距離振幅曲線
distance constant,距離常數
distance factor,距離系數
distance marder,距離刻度
distance meter,測距儀
distance of centre of gravity,重心距
distorted peak,畸峰
distortion,失真；畸變
distributed computer-control SDAS,分布式遙測型數字地震儀
distributed computer control system, 分散型計算機控制系統(tǒng)；分布式計算機控制系統(tǒng)
distributed control,分散控制；分布控制
distributed control system,分散型控制系統(tǒng)；分布式控制系統(tǒng)
distributed data base,分布式數據庫
distributed intelligence,分散智能 distributed networkm,分布式網絡
distributed parameter control system,分散[分布]能數控制系統(tǒng)
distributed telemetry SDAS,分布式遙測型數字地震儀
distribution temperature,分布溫度
disturbance,擾動
dither,顫振
dithering,顫動
diverging three way valve,三通分流閥
diverter,換向器
diving bell,潛水鐘
document,文件；文獻
documentation,文件管理；文件集
domestic package,內銷包裝
dominant frequency,優(yōu)勢頻率；主頻率
Doppler current meter,多普勒海流計
Doppler effect,多普勒效應
Doppler flowmeter,多普勒流量計
Doppler radar,多普勒雷達
Doppler sonar,多普勒聲納
dose,劑量
dose rate,劑量率
dose rate meter,劑量率計
dosementer,劑量計
dot matrix printer,點陣式打印機
dot printer,點陣印刷機；點陣打印機
dotted line recorder,斷續(xù)線記錄儀
dotting time,打點時間
double acting positioner,雙作用定位器
double-beam mass spectrometer,雙束質譜計
double beam spectrum radiator,雙光束光譜福射計
double bounce technique,二次反射法
double collectors,雙接收器
double-cone viscometer,雙錐粘度計
double crystal probe,雙振子探頭
double-dry calorimeter,雙干式熱量計
double-focusing mass spectroscope,雙聚焦質譜儀器
double-focus X-ray tube,雙焦點X射線管
double focusing,雙聚焦
double focusing analyzer,雙聚焦分析器
double focusing at all masses,全質量雙聚焦
double-image tacheometer,雙像速測儀
double inlet system,雙進樣系統(tǒng)
double insulation,雙重絕緣
double-junction SQUID magnetometer,雙結磁強計
double-magnification imaging,雙放大倍率成象法
double pan balance,雙盤天平
double-pass internal reflection element,雙通內反射元件
double-path rato thermometer,雙通道比色溫度計
double-polarity method for calibrating thermocouple,熱電偶雙級檢定法
double probe technique,熱電偶雙極檢定法
double probe technique,雙探頭法
double tube mercury manometer,雙管水銀壓力表
dulble tube thermometer,套管溫度表
dulble vibration amplitude,雙振幅
down time,停機時間
downhole instrument,下井儀器
downwar(total)radiation,向下（全）輻射
downward terrestrial radiantion,大氣向下輻射
draft standard,標準草案
drag of towed vehicale,拖曳體阻力
drain boles,排泄孔
draught drying cabinet,電熱鼓風干燥箱
drawing force,拉力
dredge,拖曳式采樣器
drift,漂移
drift bottle,漂流瓶
drift card,漂流卡
drift plate drogue,漂流板
drifting buoy,漂流浮標
driving chart[paper]swaying,走紙偏差
driving device,驅動裝置
driving torque,驅動力矩
drooping characteristic,下降特性
drop size meter,滴譜儀
drop test,跌落試驗
dropping mercury electrode,滴汞電極
dropsonde,下投式探空儀
drosometer,露量表；露量器
drum recorder,鼓形記錄儀
dry air,干空氣
dry bulb,干球
dry gas meter,干式氣體表
dry heat test,干熱試驗
dry-bulb thermometer,干球溫度表
drying cabinet on forecd convection,電熱鼓風干燥箱
drying oven,干燥箱
DSC curve,差示掃描量熱曲線
DSC meter,差示掃描量熱儀
DSC-TC,差示掃描量熱儀/熱天平
DTA range,DTA,范圍；差熱分析范圍
dual computer system,雙并列計算機系統(tǒng)；復式計算機系統(tǒng)
cual-flame ionization detector,雙火焰離子化檢測器
dual purpose voltage transformer,雙重用途電壓互感器
duet,對（兩個換能器的一種布置方式）
dump,轉儲
duoplasmatron ion source,雙等離子體離子源
duplex(pressure)gauge,雙工[雙針]壓力表
duplex transmission,雙工傳輸
duplexed computer system,雙計算機系統(tǒng)
durabilitym,耐久性 duration,持續(xù)時間
duration of cycle,周期時間
duration of load,負荷保持時間
dust analyzer,塵量分析儀
dust counter,計塵器
dustproof instrument,防塵式儀器儀表
dustproof packaging,防塵包裝
dust-proof solenoid valve,防塵型電磁閥
dwell time,停頓時間
dye marks,染色測流法
dye-penetrant testing method,著色滲透探傷法
dynamic accumulation error,動態(tài)累計誤差
dynamic calibrator,動態(tài)校準器
dynamic characteristic calibrater,動態(tài)特性校準儀
dynamic characteristics,動態(tài)特性
dynamic deviation,動態(tài)偏差
dynamic display image,動態(tài)顯示圖象
dynamic error,動態(tài)誤差
dynamic error coefficient,動態(tài)誤差系數
dynamic gauging,動態(tài)容積測量法
dynamic load,動負荷
dynamic mass spectrometer instruments,動態(tài)質譜儀器
dynamic measurement,動態(tài)測量
dynamic microphone,電動傳聲器
dynamic model,動態(tài)模型
dynamic pressure,動壓
dynamic pressure of fluid element,流體單元動壓
dynamic pressure transducer[sensor],動態(tài)壓力傳感器
dynamic range,動態(tài)范圍
dynamix range of microphone,傳聲器動態(tài)范圍
dynamic resolution,動態(tài)分辨力
dynamic response,動態(tài)響應
dynamic SIMS,動態(tài)二次離子質譜法
dynamic standard strain device,動態(tài)標準應變裝置
dynamic stiffness,動剛度
dynamic stiffnesss of the moving element suspension,運動部件懸掛動剛度
dynamic stiffenss ratio,動剛度比
dynamic storage allocation,動態(tài)存儲分配
dynamic strain,動應變
dynamic strain indicator,動態(tài)應變儀
dynamic thermomechanical analysis,動態(tài)熱機械分析
dynamic thermomechanical analysis apparatus,動態(tài)熱機械分析儀
dynamic thermomechanometry,動態(tài)熱機械法
dynamic(two-plane)balancing,動（雙面）平衡
dynamic(two-plane)balancing machine,動（雙面）平衡機 dynamic unbalance,動態(tài)不平衡
dynamic vane bias,風向標的動力偏幅
dynamic viscosity,動力粘度
dynamic water tank,動水槽
dynamic wieghing method,動態(tài)稱重法
dynamometric system,測力系統(tǒng)