专业英语词汇-3教学提纲.ppt

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1、专业英语词汇-3Keywords:nullvector空矢，零矢unitvector单位矢量dependentvector相依矢量dotproduct点积crossproduct叉积scalarproduct标积vectorproduct矢积Keywords:scalarprojection标投影vectorprojection矢投影scalartripleproduct标三重积vectortripleproduct矢三重积positionvector位置矢量distancevector距离矢量

2、radiusvector矢径Keywords:scalarfield标量场vectorfield矢量场staticfield静电场time-invariantfield时不变场timevaryingfield时变场gradient梯度divergence散度Keywords:curl,rotation旋度differentialelement微分元differentialchange微分变元lineintegral线积分surfaceintegral面积分volumeintegral体积分dir

3、ectionalderivative方向导数Keywords:sourcepoint源点sinkpoint汇点staticelectricfield静电场electrostatics静电学electricfieldintensity电场强度electricpotential电位boundcharge束缚电荷Keywords:lineofforce力线fluxline通量线electricflux电通量electricfluxdensity电通密度absolutepotential绝对电位equi

4、potentialsurface等位面electricdipole电偶极子Keywords:valenceelectron价电子，传导电子idealdielectric理想电介质polarizationvector极化矢量electricpolarization电极化强度isotropic各向同性的homogenous均匀的electricsusceptibility电极化率Keywords:dielectricstrength绝缘（电介质）强度potentialenergy位能energyde

5、nsity能量密度boundaryconditions边界条件image镜像transientcurrent瞬态电流conductioncurrent传导电流Keywords:randomthermalmotion随机热运动driftvelocity漂移速度relaxationtime驰豫时间lodestone磁石magnetism磁学magneticforce磁力magnet磁铁Keywords:magneticfield磁场magneticlinesofforce磁力线magneticflu

6、xdensity磁通（量）密度magnetostatics静磁场magneticdipole磁偶极子magneticdipolemoment磁偶极矩electromagnet电磁体Keywords:magneticflux磁通diamagnet抗磁体paramagnet顺磁体ferromagnet铁磁体magneticsusceptibility磁化率magneticdomain磁畴magnetizationcharacteristic磁化特性曲线Keywords:magneticcircuit

7、磁路leakageflux漏磁通cathode-rayoscilloscope阴极射线示波器massspectrometer质谱仪isotopeseparator同位素分离器P-typesemiconductorP型半导体N-typesemiconductorN型半导体Keywords:inducedelectricfield感应电场Maxwell’sequation麦克斯韦方程electromagneticinduction电磁感应inducedvoltage感应电压self-inductan

8、ce自感inductance电感inductor电感器Keywords:coefficientofcoupling耦合系数perfectlycoupled完全耦合displacementcurrent位移电流Poynting’stheorem坡印亭定理Poyntingvector坡印亭矢量time-harmonicfield时间简谐场sinusoidalfield正弦场Keywords:waveequation波动方程cutofffrequency截止频率transformer变压器ratioo