elliptical polarization instrument,橢圓极化儀

elliptical vibration,橢圓振動

elongation,伸長率

elongation rate,延伸率

elution,洗脫

elution chromatorgraphy,衝洗色譜法

emanation survey,射气測量

emanation thermal analysis,放射（性）熱分析

emanation thermal analysis apparatus,放射熱分析儀

emanometer,測氡儀；射气儀

embedded strain gauge,埋入式應變計

emission electron microscope,發射電子顯微鏡

emission spectrum,發射光譜

emission X-ray spectrometry,發射X射線譜法

emissivity,發射率

emittance of the earth's surface,地表面輻射

emulsifier,乳化液槽

encapsulation(Ex m),澆封（Ex m)

encircling coil,環形線圈

enclosed-scale liquid-in-glass thermometer,內標式玻璃溫度計 END byte,結束字節

end connection,連接端

end of file(EOF),文件結束

end-points,端點

endothermic peak,吸熱峰

ENDSUM byte,結束總和字節

endurance test,耐久性試驗

energizing frequency,激勵頻率

energizing voltage,激勵電壓

energy dispersion,能量色散

energy equivalent,能當量

energy filter,能量過濾器

energy loss,能量損失

energy olss of electron spectrometer,電子能量損失譜儀

energy loss spectrometer,能量損失譜儀

energy processor module,能量處理組件

energy spread,能量分散

engineer's operating station,工程師操作站

engineer's theodilite,工程經緯儀

engineering cybernetics,工程控制論

enhineering simulator,工程仿真器

engineering system simulation,工程系統仿真

Engler viscosity,恩氏粘度

enhancement effect,增強效應

enveloped thermistor,密封型熱敏電阻器

environmental condition,環境條件

environmental error,環境誤差

environmental factor,環境因素

environmental gas analyzer,環境气体分析儀

environmental influence,環境條件影響

environmental monitor station,環境監測站

environmental noise,環境噪聲

enivronmental parameter,環境參數

environmental specification,環境規范

environmental tset,環境試驗

environmental test equipment,環境試驗設備

enzyme substrate electrode,　敏電极

epoxy resin,環氧樹脂

Epstein frame,愛普斯坦方圈

Epstein measuring apparatus,愛普斯坦測量裝置

equal precision measurement,等精密度測量

equalization,均衡

equalizing block,均溫塊

equalizing orifice,平衡孔

equilibrium point,平衡點

equilibrium state,平衡狀態

equivalent a.c.resistance,等效交流電阻

equivalent air volume,等效空气容積

equivalent conductance,當量電導

equivalent input impedance,等效空气容積 e

quivalent conductance,當量電導

equivalent input impedance,等效輸入阻抗

equivalent n-th modal unbalance,第n階振型等效不平衡諧量

equivalent potential screen,等電位屏蔽

equivalent sound pressure level due to inherent noise of microphone, 傳聲器等效噪聲級

equivalent uniform roughness,等效均勻粗糙度

erecting telescoope,正像望遠鏡

ergonomics,工效學

erosion,侵蝕

erratic motion of the moving element,運動部件的漂移運動

error,誤差

error coefficient,誤差系數

evaluation standard,評定標准

evaporativity,蒸發率

evaporimeter,蒸發儀；蒸發表

evaporograph,蒸發計

evapotranspirometer,蒸散表

event marker,標記裝置

event pulse,事件脈衝

event recorder,事故[狀態]記錄儀

evolved gas analysis(EGA),逸出气分析

evolved gas analysis apparatus,逸出气分析儀

evolved gas detection(EGD),逸出气檢測

evolved gas detection apparatus,逸出气檢測器

excess energy meter,超量電度表

excitation,激勵

excitation force,激振力

excitation index,激發指數

exciting curent,激磁電流