dissipation constant,耗散常数

dissipation power,耗散功率

dissolved oxygen analyzer,溶解氧分析器

dissolved oxygen analyzer for seawater,海水溶解氧测定仪

dissolved oxygen of seawater,海水中的溶解氧

distance amplitude compensation,距离振幅补偿

distance amplitude curve,距离振幅曲线

distance constant,距离常数

distance factor,距离系数

distance marder,距离刻度

distance meter,测距仪

distance of centre of gravity,重心距

distorted peak,畸峰

distortion,失真；畸变

distributed computer-control SDAS,分布式遥测型数字地震仪

distributed computer control system, 分散型计算机控制系统；分布式计算机控制系统

distributed control,分散控制；分布控制

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

distributed data base,分布式数据库

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

distributed parameter control system,分散[分布]能数控制系统

distributed telemetry SDAS,分布式遥测型数字地震仪

distribution temperature,分布温度

disturbance,扰动

dither,颤振

dithering,颤动

diverging three way valve,三通分流阀

diverter,换向器

diving bell,潜水钟

document,文件；文献

documentation,文件管理；文件集

domestic package,内销包装

dominant frequency,优势频率；主频率

Doppler current meter,多普勒海流计

Doppler effect,多普勒效应

Doppler flowmeter,多普勒流量计

Doppler radar,多普勒雷达

Doppler sonar,多普勒声纳

dose,剂量

dose rate,剂量率

dose rate meter,剂量率计

dosementer,剂量计

dot matrix printer,点阵式打印机

dot printer,点阵印刷机；点阵打印机

dotted line recorder,断续线记录仪

dotting time,打点时间

double acting positioner,双作用定位器

double-beam mass spectrometer,双束质谱计

double beam spectrum radiator,双光束光谱福射计

double bounce technique,二次反射法

double collectors,双接收器

double-cone viscometer,双锥粘度计

double crystal probe,双振子探头

double-dry calorimeter,双干式热量计

double-focusing mass spectroscope,双聚焦质谱仪器

double-focus X-ray tube,双焦点X射线管

double focusing,双聚焦

double focusing analyzer,双聚焦分析器

double focusing at all masses,全质量双聚焦

double-image tacheometer,双像速测仪

double inlet system,双进样系统

double insulation,双重绝缘

double-junction SQUID magnetometer,双结磁强计

double-magnification imaging,双放大倍率成象法

double pan balance,双盘天平

double-pass internal reflection element,双通内反射元件

double-path rato thermometer,双通道比色温度计

double-polarity method for calibrating thermocouple,热电偶双级检定法

double probe technique,热电偶双极检定法

double probe technique,双探头法

double tube mercury manometer,双管水银压力表

dulble tube thermometer,套管温度表

dulble vibration amplitude,双振幅

down time,停机时间

downhole instrument,下井仪器

downwar(total)radiation,向下（全）辐射

downward terrestrial radiantion,大气向下辐射

draft standard,标准草案

drag of towed vehicale,拖曳体阻力

drain boles,排泄孔

draught drying cabinet,电热鼓风干燥箱

drawing force,拉力

dredge,拖曳式采样器

drift,漂移

drift bottle,漂流瓶

drift card,漂流卡

drift plate drogue,漂流板

drifting buoy,漂流浮标

driving chart[paper]swaying,走纸偏差

driving device,驱动装置

driving torque,驱动力矩

drooping characteristic,下降特性

drop size meter,滴谱仪

drop test,跌落试验

dropping mercury electrode,滴汞电极

dropsonde,下投式探空仪

drosometer,露量表；露量器

drum recorder,鼓形记录仪