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,薄膜執行机构

diaphragm capsule,膜盒

deaphragm gas meter,膜式煤气表

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,擴散型半導体應變計

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,數字計算机

digital control,數字控制

digital control system,數字控制系統

digital controller,數字控制器

digital data,數字數据

digital data acquisition system,數字數据采集系統

digital data processing system,數字數据處理系統

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,數字式電動執行机构

digital feedback system,數字反饋系統

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

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,數字万用表；數字复用表

digital ohmmeter,數字電阻表