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,距离振幅補償

distance amplitude curve,距离振幅曲線

distance constant,距离常數

distance factor,距离系數

distance marder,距离刻度

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, 分散型計算机控制系統；分布式計算机控制系統

distributed control,分散控制；分布控制

distributed control system,分散型控制系統；分布式控制系統

distributed data base,分布式數据庫

distributed intelligence,分散智能 distributed networkm,分布式网絡

distributed parameter control system,分散[分布]能數控制系統

distributed telemetry SDAS,分布式遙測型數字地震儀

distribution temperature,分布溫度

disturbance,扰動

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,优勢頻率；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,點陣式打印机

dot printer,點陣印刷机；點陣打印机

dotted line recorder,斷續線記錄儀

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

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,熱電偶雙极檢定法

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,停机時間

downhole instrument,下井儀器

downwar(total)radiation,向下（全）輻射

downward terrestrial radiantion,大气向下輻射

draft standard,標准草案

drag of towed vehicale,拖曳体阻力

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,滴汞電极

dropsonde,下投式探空儀

drosometer,露量表；露量器

drum recorder,鼓形記錄儀