《科技英语写作》词汇表

1、Glossary物质值函数方程式方程组逻辑方程解方程表达式展开式正极负极电路电流恒量变量电动机发电机图像处理热力学原子原子核分子离子中子质子(章)节无线电波光波力(力的)大小和方向磁电磁学放射性电流电压电阻万用表压力计性能用户数据热量质量体积自由电子晶体保证输入输出椭圆半圆圆原点直径半径 角度交流电直流电参数半导体元素易燃的气体液体气体固体X轴波长阻力定律定理代数几何电子工程师原子能核能电磁波挤压/压缩均匀的薄膜恒定温度上升下降起重机导线电荷码电阻率 加速度测量组合呈指数地（变化）十的平方十的立方立方米临界温度垂直线垂直常用符号延时电路图方框图永久地电容器储存电荷二端口网络传播延时显像管公式成

2、正比成反比带宽幂有理数无理数磁场天然的和人造的直线曲线镜头二进制十进制波形摩擦探测雷达发射机防水光谱变压器加减乘除比率比值，分数电子望远镜光学望远镜优越性模-数转换器混合参数功动能万有引力位能气体膨胀核裂变接收机放大器编码系统天线隧穿调制信号数据处理平移运动垂直运动进行试验通讯卫星采样样品机械能电能弹性导数表示幻灯机标准螺钉右旋串联并联动力学酶中暑画线图解(火箭)推力无限无数无限大无限小有限线圈皮带分析模型地磁场金属导体微积分指令细胞膜周期波形循环系统人体组织电流反馈容器新奇事绝缘体漏电真空管倒数浏览器磁感应装置电感器误差罗盘指针集电极晶体管扩散率变化情况导电率概率斜率实用性绝对值极限值Glo

3、ssary物质substance, material值value函数function方程式equation方程组a set of equations逻辑方程logic equation解方程solve the equation表达式expression展开式expansion正极positive terminal负极negative terminal电路electric circuit电流current, electric current 恒量constant变量variable电动机electric motor发电机generator图像处理image processing 热力学therm

4、odynamics原子atom原子核nucleus分子molecule离子ion中子neutron质子proton(章)节section无线电波radio wave光波light wave力force(力的)大小和方向magnitude and direction of the force磁magnetism电磁学electromagnetism放射性radioactivity电压voltage电阻resistance万用表multimeter压力计pressure gauge性能performance用户数据user data热量heat质量mass体积volume自由电子free elec

5、tron晶体crystal保证guarantee输入input输出output椭圆ellipse半圆semicircular圆circle原点origin直径diameter半径radius, semidiameter角度angle交流电AC alternating current直流电DC direct current参数parameter半导体semiconductor元素element易燃的气体combustible gas液体liquid气体gas固体solidX轴x-axis波长wavelength阻力resistance定律law定理theorem代数algebra几何geomet

6、ry电子工程师electrical engineer原子能atomic energy核能nuclear energy电磁波electromagnetic wave挤压/压缩compress均匀的薄膜uniform film恒定温度uniform temperature上升increase, rise下降decrease, fall起重机crane导线wire电荷charge码code电阻率resistivity, resistance加速度acceleration测量measure组合combination呈指数地（变化）exponentially十的平方the square of ten十的

7、立方the cube of ten立方米cubic meter临界温度critical temperature垂直线vertical line，垂直perpendicular to常用符号usual symbol延时delay电路图diagram方框图block diagram永久地permanently电容器capacitor储存电荷store charge二端口网络two-port network传播延时propagation delay time显像管picture tube公式formula成正比proportional to成反比inversely proportional to/

8、vary indirectly with带宽bandwidth幂power有理数rational exponent/number无理数irrational exponent/number磁场magnetic field天然的和人造的natural and artificial直线straight line曲线curved line镜头len二进制binary system十进制decimal system波形waveform摩擦friction 探测detect雷达发射机radar transmitter防水water resistance光谱spectrum变压器transformer加减乘

9、除plus, minus, multiplication, division比率ratio比值，分数fraction电子望远镜electronic telescope光学望远镜optical telescope优越性superiority模-数转换器analog-to-digital converter (A/Ds)混合参数hybrid parameter功works动能kinetic energy万有引力gravitation, gravity, gravitational pull位能potential energy气体膨胀gas expand核裂变nuclear fission接收机re

10、ceiver放大器amplifier编码系统coding system天线antenna隧穿tunneling调制信号modulate signals数据处理data processing平移运动translational/ horizontal motion垂直运动perpendicular/ vertical motion进行试验conduct a test, do an experiment通讯卫星communications satellite采样sampling 样品specimen机械能mechanical energy电能electrical energy弹性elasticity

11、导数derivative表示designate, denote幻灯机slide projector标准螺钉standard screw右旋right-handed串联in series并联in parallel动力学kinetic energy/ kinetics酶enzyme能力和局限性the capabilities and the limitations中暑sunstroke画线plot a line图解graphical solution(火箭)推力thrust无限infinite,无数myriad无限大infinity, 无限小infinitesimal有限limited, rest

12、ricted, finite线圈coil皮带belt分析模型analytic model地磁场geomagnetic field金属导体metallic conductor微积分differential and integral calculus指令instruction细胞质protoplasm细胞膜membrane周期波形periodic waveform循环系统circulatory system人体组织body tissue电流反馈current feedback容器vessel新奇事novelty绝缘体insulator漏电the leakage of current真空管vacuu

13、m tube倒数reciprocal浏览器browser磁感应magnetic induction装置apparatus, device, instrument电感器inductor误差error罗盘指针compass needle集电极collector晶体管transistor扩散率diffusivity变化情况variation导电率conductivity概率chance斜率slope滞后现象hysterresis实用性utility绝对值absolute极限值limit稍难词汇外部设备peripheral功耗dissipation流动flow曲线contour, curve谐振电路r

14、esonant circuit谐振频率resonant frequency电离层ionosphere矢量vector磁强度magnetic intensity热核能thermonuclear energy不能复制的unduplicated机械连接mechanical interconnection弧度radian氢hydrogen成立hold算法algorithm电动的electric红桃heart同时simultaneously只solely反相器inverter热效率thermal efficiency相应corresponding 如下as follows常规仪器conventional

15、 instrument车床lathe曲线簇a specified set of curves平面plane载流导线current-carrying wire性质property极为重要的essential, paramount（至高无上的）不失真的undistorted无穷大infinity弹簧拉长A spring is stretched.类似于analogous to预设的predetermined曝光胶片expose the film惯性inertia谐振resonance百进制centesimal system计数器counter安培表ammeter增益函数gain coefficie

16、nt力学原理the principles of mechanics质点/微粒particle锁向环phase-locked loop正弦信号sinusoidal signal非正弦信号nonsinusoidal signal收敛convergence令人讨厌的undesirable运动定律law of motion绕射diffraction回线loop二极管diode整流rectification欧姆表ohmmeter振幅amplitude里程计odometer分辨率resolution转换时间transition time重力势能gravitational potential energy可

17、以忽略不计的negligible分离的数值discrete numerical value波纹ripple双滤波double filtering action用之不竭inexhaustible承受力withstand a force调谐放大器tuned amplifier经受考验stand the trial of 高频振荡high-frequency oscillation阻尼振荡damped oscillation得到说明be accounted for by热流heat flow吸收水蒸气absorb water vapor干涉interference有弹性的elastic有出入，不一样

18、deviation基极电流base current价电子valence electron脉冲输入pulse input电力反应堆power reactor阻抗impedance汗腺sweat gland对物体施加作用力exert force on an object联立方程组simultaneous equation线性方程组linear equation三角的、反三角的、指数的和对数函数trigonometric, inverse trigonometric, exponential and logarithmic functions对数logarithm易于.be susceptible / prone / liable / apt to 单位时间in unit time二极管diode该方程无解There is no solution to the equa