科技英语写作---句子翻译

1、超稳迷你型优盘采用闪存介质和USB接口,通过USB接口与电脑相连接,无需驱动器,无需驱动程序,LED灯指示工作状态,有写保护开关,可热插拔,抗震防潮,防电磁波,外形轻巧精致,携带方便。目前超稳迷你型优盘支持Windows 98/Me/2000/XP, Mac OS 9.x和Linux 2.4.x操作系统,符合USB1.1标准。The Ultra-stable mini flash disk, adopting the flash memory medium and a USB interface, can be connected with a computer through a USB p

2、ort without a drive or driver. It has a write-protect switch and an LED light to indicate the operating state. It can be plugged on or off hot, and it is shake and electromagnetic wave-proof, light in weight, delicate in shape and easy to take. At present it can support such operating systems as .,

3、and comply with/conform to the USB 1.1 standard/in accordance with the USB 1.1 standard.蓝光产品之于DVD产品,采用波长更短的蓝色激光,使得同样的12cm盘片可以储存更多的数据,而高达25GB甚至50GB的海量容量也使得高清(high-definition内容有了安身之地。作为蓝光技术的大力推行者先锋公司,于08年7月推出了单片16层,容量为400GB 的“the SuperMulti-LayerBDdisc”,紧接着又推出了20层500G的超多层蓝光存储技术,为未来更高容量的蓝光存储数据做好了准备。DVD

4、 products of the blu-ray products, adopting shorter wavelength blue laser, enable/make the same 12cm disk to/ store more data, and the capacity as high/much as 25GB even 50GB provides a space/place/room for high-definition contents. Pioneer Corporation, as a great promoter of the blu-ray technology,

5、 provided/marketed/offered a 16-layer 400GB single disk named SuperMulti-Layer BDdisc in July, 2008, and then provided/marketed/offered the 20-layer 500GB multi-layer blu-ray store technology, which laid the foundation for future high-capacity blu-ray data store.1. 这台计算机所占的空间比一台打字机少得多。This computer

6、takes much less space than a typewriter.2.它们对效率所产生的影响与液压离合器(fluid coupling中滑动对效率产生的影响相同。They have the same effect on efficiency as a slip in a fluid coupling does.3. 这个参数parameter并不像温度影响Q点那样影响晶体管transistor的工作。The parameter does not affect the operation of a transistor the way temperature does Q poin

7、t.4. 这台电视机是由电脑控制的。The TV set is computer controlled.5. Y对X的依从关系dependance用Y=F(X表示。The dependence of Y on X is expressed as Y=F(X.6. 测量过程是物理学中最基本的操作,它在本章将简要地加以讨论。The most basic operation in physics, measurement will be briefly discussed in the chapter.7. 物体越热,其辐射的能量就越多,这一点我们发现在工程中很重要。The hotter a bod

8、y is, the more energy it will radiate, a point we find important in engineering.8. 该病毒virus并不像影响普通计算机那样影响这种软件。The virus does not affect the software as the way it does ordinary computers.9. 这是个直径diameter为0.5米的磁鼓magnetic drum。This is a magnetic drum the diameter of 0.5m.10. 电阻越大,电容器达到其最大电压所需时间越长。The

9、greater the resistance is, the more time is needed for a capacitor to reach its maximum voltage.11. 试计算为使该轮子静止下来还需几秒。Try to calculate how many more seconds is needed for the wheel to stop.12. 把电流定义为电荷的流动对我们来说都是熟悉的。We are all familiar with the definition of current as the flow of charges.1. 现在有待于查明这个

10、等式何时成立。It remains to be shown that this equation holds.2. 按什么顺序把这两个数加起来没有关系。It does not matter in which order two numbers are added.3. 这似乎是造成这种差异的原因。This seems to be what makes the difference.4. 这类似于图2中所示的情况。This is similar to what is illustrated in Fig.2.5.使自行车称为今天这个样子花了很长时间。It took a long time to

11、make a bike what it is today.6. 这与我们选为正的方向相反。This is opposite to what we selected to be positive.7. 我们不知道在这里有什么可做。We wonder what is to be done here.8. 假设需要求出这个角度来。Let it be required/necessary to find out this angle.9. 要在负载load上获得1W功耗dissipation就需要一只能处理集电极collector功耗为2W 的晶体管。To obtain 1W dissipation

12、in the load requires a transistor capable of handling 2W of collector dissipation.10. 这是表示自变量independent variable所沿顺的轴axis。This represents the axis that independent variable goes on.11. 物体阻止速度变化的趋势越大,其惯性inertia就越大。The greater the tendency of an object to resist a change of velocity, the greater its

13、inertia.12. 我们使用这种场field来作为讨论磁性质的基础。We shall use such a field on which to base our discussion of magnetic properties.13. 我们发现这个量难以测量。We find this quantity hard to measure.1. 常用的变压器是由绕在铁芯上的几个线圈构成的一种装置。A commonly used transformer is a device consisting of several coils wound on/around an iron core.2.

14、若以方程表示的话,它们之间的关系可写成E= MCExpressed in/by an equation, the relation(ship between them can be written (as E=mC2.3. 这样做以后,电子具有更多能量,从而增加光点(light spot亮度。This done, electrons possess more energy, (thus/thereby increasing the brightness of the light spot.4. 下面给出了电压正比于(proportional to电流的方程。The equation with

15、voltage proportional to current is given below.5. 其平均值(average value等于该曲线(curve围(enclose起来的面积除(divide以(A-B. Its average value equals the area enclosed by this curvedivided by (A-B.6. 这会导致流通量(throughput的增加。This will result in an increase in/of throughput.7. 所谓弹性(elasticity是指物体形变(deformation后返回原状的趋势。B

16、y elasticity is meant the tendency of an object to return to its original state after being deformed.8. 气压计(barometer是用以测量空气压力的一种仪表。A barometer is an instrument which is used for measuring air pressure.9. 力是能影响物体运动的物理量。Force is a physical quantity to affect the movement of an object. 10. 所谓线性工作是指放大器

17、(amplifier以很小失真(distortion或无失真地放大信号的能力。By linear operation is meant the ability of an amplifier to amplify a signal with little or no distortion.1. 交流电能被转换成直流电。AC is capable of being changed/converted/turned/transformed/translated to/into DC.2. 从第二个式子减去subtract第一个式子就得到S=W+BSubtracting the first equa

18、tion from the second yields S=W+B.3. 这个力的大小和方向可通过应用正弦sine和余弦cosine定理求得。The magnitude anddirection of this force can be found by applying (=the application of the law of cosines and the law of sines.3. 在以这个门电路gate为负载load的情况下,输出电压为3伏。With this gate as a load, output voltage is 3 volts.4. 这部分原因是由于地球并非球

19、面spherical而引起的。This is due mainly to the fact that the earth is not spherical.5. 该力与位移displacement间的关系可用虎克定律Hooks law来表示。The relation of force and displacement can be expressed in Hooks law.6. 这些设备的体积各不相同。These devices differ greatly in size.7. 本文首先讨论了这种信号的特点,然后论述了它的产生。This paper begins with the dis

20、cussion of this signal, followed by the description of its generation.8. 一般可能写出的节点node和回路loop方程比需要的多。It is generally possible to write down more node and loop equations than (are needed.9. 这些形式form的优点是容易看出通过改变角度angle如何影响结果。The advantage of these forms lies in that it is easily to see how changing an

21、gles affect the result. 1. 必须确定热传递朝哪个方向发生。It is necessary to determine in which direction heat transfer takes place.2. 有待于证明这个式子是成立的。It remains to be shown that this equation holds.3. 我们必须搞清楚R是小于任何数的一个量。We need to figure out that R is a quantity less than any number.4. 这些误差限制了时间增量increment能多小的程度。The

22、se errors limit how small the time increment can be.5. 每样东西都是由微小的粒子构成的,这现在是众所周知的。It is well known that every object consists of tiny particles.6. 我们必须求出在哪一项后该级数开始收敛。We must find after which term the series begins to converge.7. 设A等于B的那一点处于X=C的地方。Suppose that the point at which A is equal to B is whe

23、re X=C.8. 直角三角形right triangle是其边side中有两个相互垂直的一种三角形。A right triangle is the triangle two of whose sides (=two of the sides of which are perpendicular to each other.9. 这里我们使用了其表面上绕有导线的一个环ring。Here we have used a ring on whose surface (=on the surface of which the wire is wound.10. 没人了解我们称之为生命的那个特征。Nob

24、ody knows the characteristic (that we call life.11. 由上述得知在该点的斜率slope为零。From what has been described above, it follows that the slope at the point is zero.12. 当时并不清楚大气层对无线电波有什么影响。It was not clear what effect the atmosphere has on radio waves.13. 我们需要知道的是这个角度为多大才能满足那个方程。What we need to know is what (=

25、how large this angle should be so as to satisfy that equation. 14. 所谓力的三要素(the three elements of force在我们学习力学mechanics中起很重要作用。What are called “the three elements of a force” plays an important role in our study of mechanics.15. 人们只需要在R上并接一个电容器。All one need do is to connect a capacitor across R.16. 我

26、们能求出输出功率(output power为最大的电流。We can find out the current at which the output power is a maximum.17. 本书首先论述了使用固态器件(solid-state的电子线路,然后简要地解释了采用电子管(electron tube的电路。This book first describes the electronic circuits using solid-state devices, after which a brief explanation of circuits using electron tub

27、es is presented.1.理想的调制方法(modulation scheme与现有方法相比具有带宽(bandwidth小,实现简单,成本低和误码率(error rate低的优点。The ideal modulation scheme has the advantage over those available of narrow bandwidth, easy realization, low cost and error rate.2.晶体管确实能放大信号,但它究竟能放大信号多少倍取决于该晶体管类型。Transistors do amplify signals; however h

28、ow many times it is that it can amplify signals depends on the type of the transistor.3.在基极(base接地的情况下,Q5的阻抗(impedance很高。With base grounded, Q5 has a very high impedance.为了让读者更好地理解通讯系统,就必须对信息论有深入的了解。For the reader to understand the communication system better, it is necessary to have deep knowledge

29、of information theory.各种集成电路的产量较1998年增加了4倍。The product of all ICs is 5 times that of 1998.4.该芯片(dice是直径为零点零几厘米的一个小方块。The dice is a small cube the diameter of a few hundredths of a centimeter.5.传输线屏蔽(shielding越好,传输效果越好,传输距离就越远,这是通信常识。The better the shielding of transmission lines, the better the tran

30、smission effect and the further they can transmit, a common sense in communication.6.在采用这些调制类型时,不论是调频(FM、调幅(AM、还是单边带(SSB,都需考虑带宽(bandwidth效率和功率效率之间的平衡关系。In adopting these modulation types, whether FM, AM, or SSB, the balance between bandwidth efficiency and power efficiency should be considered.7.银是最

31、好的导体,其次是铜。Silver is the best conductor, followed by copper.8.像我们用来测量电压的这种仪表称为电压表。Such meters as we use to measure voltage are called voltmeters.9.圆心在原点,半径为的圆的方程为x2+y2=2。The equation to the circle of radius a, with the center at the origin, is 10.一个常数,无论多大,都不能说成是无穷大。A constant, however great it is, c

32、an not be spoken of as an infinity.11.所谓电动势(EMF就是指没有电流流动时电池两端的电位差。What is called EMF isthe potential difference across the terminals of a battery without current flowing.12.在所有这些蓝牙设备中,该设备的传输速率高达每秒3Mb。Of all these Bluetooth devices, this one can transmit at as high a rate as 3Mb/s.13.无线局域网(LAN,费用较低,速

33、度较快,现已用于家庭和公司。Low in cost and high in speed, the wireless LAN has been widely used in companies and families.1. f(x表示了物体离透镜lens的距离。f(x represents the distance the object is from the lens.2. 该系数用来度量固体受热时膨胀expand的量。This coefficient is used to measure the amount a solid will expand when heated.3. 所谓增益g

34、ain是指放大器amplifier放大信号的倍数。By “gain” is meant the number of times an amplifier amplifies sign als.4. 顾名思义,本章主要讲矩阵matrices。As the name shows, this chapter deals mainly with matrices.1. 同极相斥是非常有用的物理现象。Like poles repelling each other is a very useful physical phenomenon.2. 存在量子使我们能够用传统方法描述原子粒子的运动。The quantums existing enables us to describe particles movement in a traditional way.3. 在核反应中原子核粒子碰撞时的第一步是他们相互结合形成合成原子核。The first step in a nuclear reaction between two colliding nuclear part