n-exponent,n-指數N.T.C.thermistor,負溫度系數熱敏電阻器Nansenbottle,南森采水器Nansenopening-and-closingnet,南森開團式網narrow-bandfilter,窄帶濾波器narrow-bandrandomvibration,窄帶隨機振動narrowbandspectrum,窄波段nationalsatellite,國土衛星nationalstandard,國家標準naturalconvection,自然對流naturalelectric-fieldmethodinstrument,自然電場法儀器naturalenvironment,自然環境naturalfieldelectro-detector,天然場電測儀naturalfrequency,固有頻率naturalfrequencymeasurement,固有頻率的測量naturalfrequencyofrotor/bearingsystem,轉子支承系統固有頻率naturalgammaspectromenteroflogger,自然伽瑪能譜測井儀naturalinherentfrequency,自然固有頻率naturalmodeofvibration,固有振型nearfield,近場nearinfraredrange(NIR)remotesensing,近紅外遙感near-optimality,近優性nearest-neighbor,最近鄰nebulizer,霧化器negativefeedback,負反饋negativekniveslinear,負刀聯線negativepressure,負壓真空negativeshockresponsespectrum,負沖擊響應譜negativestrain,負應變negativetempperaturecoefficientthermistor,負溫度系數熱敏電阻nephelometer,渾濁度表nephoscope,測云器Nernstequation,能斯特方程nest,嵌套netpyrgeometer,凈地球輻射表netpyrradiometer,輻射平衡表netradiation,凈輻射輻射平衡輻射差額netretentiontime,凈保留時間netretentionvolume,凈保留體積netsounder,網位儀netterrestrialradiation,凈地球輻射networkframe,網絡幀networkmanagement,網絡管理networkmodel,網絡模型networkprotocol,網絡協議networktechnique,網絡技術neutralabsorption,中性吸收neutralfilter,中性濾光片neutralzone,中間區neutrallybuoyantfloat,中性浮標Newton'sfluid,牛頓流體neutrondosimeter,牛頓流動定律neutrondosimeter,中子劑量計neutronlogginginstrument,中子測井儀neutronfraiograghy,中子射線照相術neutronspectromenter,中子能譜儀neutron-gammaradiometer,中子伽瑪輻射儀Nickel-Chromium/CopperNickelthermocouple,鎳鉻-銅鎳熱電偶Nickel-Chromium/NickelAluminium[Silicom]thermocouple鎳鉻-鎳鋁[硅]熱電偶Nickel-Chromium-Silicom/Nickel-Silicomthermocouple,鎳鉻硅鎳硅熱電偶Nier-Johnsongeometrymassspectrometer,尼爾-約翰遜型雙聚焦質譜計NIMbinNIM,機箱Niskinsterilewatersampler,尼斯金無菌采水器nitrilerubber(BunaN),丁晴橡膠nitrogendioxidetrnsferfurnace,二氧化氮轉化爐nitrogen-oxideanalyzer,氮氧化物分析儀NMRabsorptionband,核磁共振吸收帶NMRabsorptionline,核磁共振吸收線NMRequipment,核磁共振儀NMRlinewidth,核磁共振線寬no-load,空負荷no-loadtest,空載試驗node,節點noeticscience,思維科學noise,噪聲noisedose,噪聲劑量noisedosemeter,噪聲劑量計noisefactor,噪聲系數noisegenerator,噪聲發生器noiselevel,噪聲電平noiselevelanalyzer,噪聲級分析儀noiseprediction,噪聲預估noiseroom,噪聲室noisesuppressingvaristor,消噪電壓敏電阻器noisethermometer,噪聲溫度計noisetransducer[sensor],噪聲傳感器nominalcartridgediameterofmicrophone,傳聲器極頭公稱直徑nominalcharacteristic,名義特性nominalflow-rate,公稱流量nominalheatvalue,標定熱值nominalhumidity,標稱濕度nominaloperatingcondition,正常工作條件nominalpressurerating,公稱壓力nominalrange,標稱使用范圍標稱量限nominalrangeofuse,標稱使用范圍nominalsize,公稱通徑nomi