interface,接口；界面

interface echo,界面反射波

interface message processor,接口通信處理机

interference error,干扰誤差

interference filter,干扰[涉]濾光片

interior package,內包裝

intermediate lens,中間鏡

intermediate voltage capacitor(of a capacitor voltage transformer), （電容器式電壓互感器的）中壓電容器

intermediate voltage terminal (of a capacitor voltage transformer), 電容器式電壓互感器的）中壓端

intermittent d.c.noncapacitive arc,非電容間歇直流電弧

intermittent duty,斷續工作制

intermittent spray,間斷噴霧

internal burden(of a current transformer),（電流互感器的）內負載

internal-convection sensitive element,內對流敏感元件

internal disturbance,內扰

internal gear,定子齒輪

internal lead,內引線

internal lock signal,內鎖信號

internal model principle,內模原理

internal reference electrode,內參比電极

internal reference sample,內參比試樣

internal reflection element,內反射元件

internal reflection spectrometry,內反射光譜法

internal resistance,內阻

internal standard,內標物

internal standard line,內標線

internal standard method,內標法

internal stop,內擋塊

internally piloted regulator,整体指揮器操作型自力式調節閥

International(Practical) Temperature Scale,國際（實用）溫標

International Practical Temperature Scale-1968,(IPTS-68),1968年國際實用溫標

international standard,國際標准（器）

International Temperature Scale-1990(ITS-90),1990年國際溫標

internuclear double resonance,核間雙共振（法）

interoperable system protocol(ISP0,可互操作系統協議

interpretive language,解釋語言

interprogram communication,程序間通信

interrupt,中斷

interrupt mask,中斷屏蔽

interrupt priority,中斷优先權

interrupt priority system,中斷优先權系統

interrupt source,中斷源

interval timer,間隔時鐘

intracranial pressure transducer[sensor],顱內壓傳感器

intra-plant system,厂內系統

intrinsic astigmatism,固有象散

intrinsic error,基本[固有]誤差

intrinsic safety barriter,本質安全柵

intrinsic viscosity,固有粘度

intrinsically safe circuit(Exi),本質安全電路(Exi)

invalid event,無效事件

invar levelling staff,因瓦水准標尺

inventory management system,庫存管理系統

inverse heating rate curves,逆加熱速率曲線

inverse system,可逆系統

investment decision,投資決策

inverting telescope,倒像望遠鏡

ion,离子

ion-activity meter,离子計

ion accelerating voltage,离子加速電壓

ion beam thinner,离子減薄机

ion bombardment secondary electron image,离子轟擊二次電子象

ion chromatography,离子色譜法

ion counter,离子計數器

ion cyclotron resonance mass spectrometer;ICR mass spectrometer, 离子回旋共振質譜計

ion detector,离子檢測器

ion-exchange chromatography,离子排斥色譜法

ion kinetic energy spectra;IKE spectra,离子動能譜

ion lens,郭子透鏡

ion mobility,离子淌度

ion neutralization,离子中和

ion neutralization spectrometer,离子中和譜儀

ion neutralizing spectroscopy(INS),离子中和譜法

ion optics,离子光學

ion pump,离子泵 ion repeller,离子排斥极

ion scattering spectrometer,离子散射譜儀

ion-scattering spectroscopy(ISS),离子散射譜法

ion-scattering spectrum,离子散射譜

ion-selective electrode analysis,离子選擇電极分析（法）

ion-selective electrode,离子選擇電极

ion-selective electrode gas transducer[sensor],离子選擇電极（式）气体傳感器

ion source,离子源

ion sputtering coator,离子濺射鍍膜台

ion strength,离子強度

ion transducer[sensor],离子傳感器

ion transmission efficiency,离子傳輸率

ionflow anemometer,离子流風速表

ionization by sputtering,濺射電离

ionization chamber,電离室

ionization efficiency curve,電离效率曲線

ionization lose spectroscopy(ILS),离化損失譜法

ionizing transducer[sensor],電离式傳感器

ionizing voltage,電离電壓

ionospheric recorder,電离層記錄器

Iron/Copper-Nickel thermocouple,鐵﹛銅鎳熱電偶

irradiance,輻（射）照（射）度

irradiation,輻照

irregularity,非直管性（段）