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1、电子类常用英汉对照词典(N-R) Nn-exponent,n-指数N.T.C.thermistor,负温度系数热敏电阻器Nansen bottle,南森采水器Nansen opening-and-closing net,南森开团式网narrow-band filter,窄带滤波器narrow-band random vibration,窄带随机振动narrow band spectrum,窄波段national satellite,国土卫星national standard,国家标准natural convection,自然对流natural electric-field method ins
2、trument,自然电场法仪器natural environment,自然环境natural field electro-detector,天然场电测仪natural frequency,固有频率natural frequency measurement,固有频率的测量 natural frequency of rotor/bearing system,转子支承系统固有频率natural gamma spectromenter of logger,自然伽玛能谱测井仪natural inherent frequency,自然固有频率natural mode of vibration,固有振型ne
3、ar field,近场near infrared range(NIR)remote sensing,近红外遥感near-optimality,近优性nearest-neighbor,最近邻nebulizer,雾化器negative feedback,负反馈negative knives linear,负刀联线negative pressure,负压；真空negative shock response spectrum,负冲击响应谱negative strain,负应变negative tempperature coefficient thermistor,负温度系数热敏电阻nephelomet
4、er,浑浊度表nephoscope,测云器 Nernst equation,能斯特方程nest,嵌套net pyrgeometer,净地球辐射表net pyrradiometer,辐射平衡表net radiation,净辐射；辐射平衡；辐射差额net retention time,净保留时间net retention volume,净保留体积net sounder,网位仪net terrestrial radiation,净地球辐射network frame,网络帧network management,网络管理network model,网络模型network protocol,网络协议net
5、work technique,网络技术neutral absorption,中性吸收neutral filter,中性滤光片neutral zone,中间区neutrally buoyant float,中性浮标Newton’s fluid,牛顿流体neutron dosimeter,牛顿流动定律neutron dosimeter,中子剂量计neutron logging instrument,中子测井仪neutron fraiograghy,中子射线照相术neutron spectromenter,中子能谱仪neutron-gamma radiometer,中子伽玛辐射仪Nick
6、el-Chromium/CopperNickel thermocouple,镍铬-铜镍热电偶Nickel-Chromium/NickelAluminiumSilicom thermocouple，镍铬-镍铝硅热电偶Nickel-Chromium-Silicom/Nickel-Silicom thermocouple,镍铬硅镍硅热电偶Nier-Johnson geometry mass spectrometer,尼尔-约翰逊型 双聚焦质谱计NIM bin NIM,机箱Niskin sterile water sampler,尼斯金无菌采水器nitrile rubber(Buna N),丁晴橡胶n
7、itrogen dioxide trnsfer furnace,二氧化氮转化炉nitrogen-oxide analyzer,氮氧化物分析仪NMR absorption band,核磁共振吸收带NMR absorption line,核磁共振吸收线NMR equipment,核磁共振仪NMR line width,核磁共振线宽no-load,空负荷no-load test,空载试验node,节点noetic science,思维科学noise,噪声noise dose,噪声剂量 noise dose meter,噪声剂量计noise factor,噪声系数noise generator,噪声发
8、生器noise level,噪声电平noise level analyzer,噪声级分析仪noise prediction,噪声预估noise room,噪声室noise suppressing varistor,消噪电压敏电阻器noise thermometer,噪声温度计noise transducer sensor,噪声传感器nominal cartridge diameter of microphone,传声器极头公称直径nominal characteristic,名义特性nominal flow-rate,公称流量nominal heat value,标定热值nominal hum
9、idity,标称湿度nominal operating condition,正常工作条件 nominal pressure rating,公称压力nominal range,标称使用范围；标称量限nominal range of use,标称使用范围nominal size,公称通径nominal temperature,标称温度nominal travel,标称行程nominal value,标称值nominal voltage ratio,标称电压比non-conformity,不合格non-contact thermometry,非接触测温法non-crystalline electro
10、de,非晶体电极non-delimiter byte,非定界字节non-destructive inspection,无损探伤non-destructive inspection machine,无损探伤机non-dimensional relative velocity,无量纲相对速度non-dispersive infra-red gas analyzer;NDIR gasanalyzer,非色散红外线气体分析器；NDIR气体分析器non-engineering system simulation,非工程系统仿真non-enveloped thermistor,非密封型热敏电阻器non-f
11、unction type optic-fibre temperature transducer,非功能型光纤温度传感器non-interacting control,无相关控制non-interchangeable accessory,不可互换附件non-isolated analogue input,非隔离的模拟输入non-line conversion,非线性转换non-linear damping,非线性阻尼non-magnetic strain gauge,抗磁性应变计non-Newtonian fluid,非牛顿流体non-radioactive electron capture d
12、etector,无放射源电子捕获检测器non-reference line imaginary real amplitude receiver,无参考线虚分量仪non-relevant failure,非关联失效non return magnetometer,无定向磁力仪non rotational imaging,无旋转成象non-selective radiator,非选择辐射体non split stream injector,无分流进样器non-uniformity of chart paper speed,纸速不均匀性non-uniqueness,非唯一性noncapacitive
13、a.c.arc,非电容性交流电弧nondeterminisitic control system,非确定性控制系统nondeterministic model,非确定性模型nondiffraction X-ray spectrometer,非衍射X射线光谱仪nonequilibrium state,非平衡态nonequilibrium system,非均衡系统nonlinear characteristics,非线性特性nonlinear control system,非线性控制系统nonlinear control system theory,非线性控制系统理论nonlinear estim
14、ation,非线性估计nonlinear model,非线性模型nonlinear prediction,非线性预报nonlinear programming,非线性规划nonlinear scale,非线性标度nonlinear system simulation,非线性系统仿真nonlinear vibration,非线性振动 nonlinear viscous damping,非线性粘性阻尼nonlinearity,非线性nonmetallic material testing machine,非金属材料试验机nonreturn-to-zero (NRZ),不归零制normal baro
15、meter,标准气压表normal beam technique,垂直法normal beam testing,垂直法normal calomel electrode,当量甘汞电极normal distribution,正态分布normal flow rate,正常流量normal modes,正态振型normal operating conditions,正常工作条件normal-phase liquid chromatography,正相液相色谱法normal probe,直探头normal station,普通站normal stress,正应力normal temperature strain gauge,常温应变计normal thermometer,标准温度表normalization method,归一法normalization regulator,归一化调节器 normalized impedance,归一化阻抗normalized mass spectru
