digital position transmitter,數字式位置發送器

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,數字仿真計算机

digital strain indicator,數字應變儀

digital system,數字系統

digital telemetering system,數字遙測系統

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）混合計算机

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,稀釋气

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,正作用執行机构

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,直接作用式調節閥；自力式調節閥

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

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,不連續控制

discontinuous control system,不連續控制系統

discontinuous simultaneous techniques,間歇聯用技術；不連續同時串用技術

discrete control system,离散控制系統

discrete signal,离散信號

discrete system model,离散系統模型

discrete system simulation,离散系統仿真

discrete system simulation language,离散系統仿真語言

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,分光晶体

dispersive infra-red gas analyzer,色散紅外線气体分析器

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﹛速度和加速度衝擊響應譜

display attribute,顯示屬性

display console,顯示控制台

display device,顯示器；顯示設備