科技英語寫作---句子翻譯

1、The Ultra-stable mini flash disk, adopting the flash memory medium and a USB interface, can be connected with a computer through a USB port 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

2、electromagnetic wave-proof, light in weight, delicate in shape and easy to take. At present it can support such operating systems as ., and comply with/conform to the USB 1.1 standard/in accordance with the USB 1.1 standard.藍光產(chǎn)品之于DVD產(chǎn)品,采用波長更短的藍色激光,使得同樣的12cm盤片可以儲存更多的數(shù)據(jù),而高達25GB甚至50GB的海量容量也使得高清(high-de

3、finition內(nèi)容有了安身之地。作為藍光技術(shù)的大力推行者先鋒公司,于08年7月推出了單片16層,容量為400GB 的“the SuperMulti-LayerBDdisc”,緊接著又推出了20層500G的超多層藍光存儲技術(shù),為未來更高容量的藍光存儲數(shù)據(jù)做好了準(zhǔn)備。DVD 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

4、 even 50GB provides a space/place/room for high-definition contents. Pioneer Corporation, as a great promoter of the blu-ray technology, 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-lay

5、er blu-ray store technology, which laid the foundation for future high-capacity blu-ray data store.1. 這臺計算機所占的空間比一臺打字機少得多。This computer takes much less space than a typewriter.2.它們對效率所產(chǎn)生的影響與液壓離合器(fluid coupling中滑動對效率產(chǎn)生的影響相同。They have the same effect on efficiency as a slip in a fluid coupling does.3

6、. 這個參數(shù)parameter并不像溫度影響Q點那樣影響晶體管transistor的工作。The parameter does not affect the operation of a transistor the way temperature does Q point.4. 這臺電視機是由電腦控制的。The TV set is computer controlled.5. Y對X的依從關(guān)系dependance用Y=F(X表示。The dependence of Y on X is expressed as Y=F(X.6. 測量過程是物理學(xué)中最基本的操作,它在本章將簡要地加以討論。The

7、 most basic operation in physics, measurement will be briefly discussed in the chapter.7. 物體越熱,其輻射的能量就越多,這一點我們發(fā)現(xiàn)在工程中很重要。The hotter a body is, the more energy it will radiate, a point we find important in engineering.8. 該病毒virus并不像影響普通計算機那樣影響這種軟件。The virus does not affect the software as the way it d

8、oes ordinary computers.9. 這是個直徑diameter為0.5米的磁鼓magnetic drum。This is a magnetic drum the diameter of 0.5m.10. 電阻越大,電容器達到其最大電壓所需時間越長。The greater the resistance is, the more time is needed for a capacitor to reach its maximum voltage.11. 試計算為使該輪子靜止下來還需幾秒。Try to calculate how many more seconds is neede

9、d for the wheel to stop.12. 把電流定義為電荷的流動對我們來說都是熟悉的。We are all familiar with the definition of current as the flow of charges.1. 現(xiàn)在有待于查明這個等式何時成立。It remains to be shown that this equation holds.2. 按什么順序把這兩個數(shù)加起來沒有關(guān)系。It does not matter in which order two numbers are added.3. 這似乎是造成這種差異的原因。This seems to b

10、e what makes the difference.4. 這類似于圖2中所示的情況。This is similar to what is illustrated in Fig.2.5.使自行車稱為今天這個樣子花了很長時間。It took a long time to make a bike what it is today.6. 這與我們選為正的方向相反。This is opposite to what we selected to be positive.7. 我們不知道在這里有什么可做。We wonder what is to be done here.8. 假設(shè)需要求出這個角度來。L

11、et it be required/necessary to find out this angle.9. 要在負載load上獲得1W功耗dissipation就需要一只能處理集電極collector功耗為2W 的晶體管。To obtain 1W dissipation in the load requires a transistor capable of handling 2W of collector dissipation.10. 這是表示自變量independent variable所沿順的軸axis。This represents the axis that independent

12、 variable goes on.11. 物體阻止速度變化的趨勢越大,其慣性inertia就越大。The greater the tendency of an object to resist a change of velocity, the greater its inertia.12. 我們使用這種場field來作為討論磁性質(zhì)的基礎(chǔ)。We shall use such a field on which to base our discussion of magnetic properties.13. 我們發(fā)現(xiàn)這個量難以測量。We find this quantity hard to m

13、easure.1. 常用的變壓器是由繞在鐵芯上的幾個線圈構(gòu)成的一種裝置。A commonly used transformer is a device consisting of several coils wound on/around an iron core.2. 若以方程表示的話,它們之間的關(guān)系可寫成E= MCExpressed in/by an equation, the relation(ship between them can be written (as E=mC2.3. 這樣做以后,電子具有更多能量,從而增加光點(light spot亮度。This done, electr

14、ons possess more energy, (thus/thereby increasing the brightness of the light spot.4. 下面給出了電壓正比于(proportional to電流的方程。The equation with voltage proportional to current is given below.5. 其平均值(average value等于該曲線(curve圍(enclose起來的面積除(divide以(A-B. Its average value equals the area enclosed by this curve

15、divided by (A-B.6. 這會導(dǎo)致流通量(throughput的增加。This will result in an increase in/of throughput.7. 所謂彈性(elasticity是指物體形變(deformation后返回原狀的趨勢。By elasticity is meant the tendency of an object to return to its original state after being deformed.8. 氣壓計(barometer是用以測量空氣壓力的一種儀表。A barometer is an instrument whi

16、ch is used for measuring air pressure.9. 力是能影響物體運動的物理量。Force is a physical quantity to affect the movement of an object. 10. 所謂線性工作是指放大器(amplifier以很小失真(distortion或無失真地放大信號的能力。By linear operation is meant the ability of an amplifier to amplify a signal with little or no distortion.1. 交流電能被轉(zhuǎn)換成直流電。AC i

17、s capable of being changed/converted/turned/transformed/translated to/into DC.2. 從第二個式子減去subtract第一個式子就得到S=W+BSubtracting the first equation from the second yields S=W+B.3. 這個力的大小和方向可通過應(yīng)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 la

18、w of cosines and the law of sines.3. 在以這個門電路gate為負載load的情況下,輸出電壓為3伏。With this gate as a load, output voltage is 3 volts.4. 這部分原因是由于地球并非球面spherical而引起的。This is due mainly to the fact that the earth is not spherical.5. 該力與位移displacement間的關(guān)系可用虎克定律Hooks law來表示。The relation of force and displacement can

19、be expressed in Hooks law.6. 這些設(shè)備的體積各不相同。These devices differ greatly in size.7. 本文首先討論了這種信號的特點,然后論述了它的產(chǎn)生。This paper begins with the discussion of this signal, followed by the description of its generation.8. 一般可能寫出的節(jié)點node和回路loop方程比需要的多。It is generally possible to write down more node and loop equat

20、ions than (are needed.9. 這些形式form的優(yōu)點是容易看出通過改變角度angle如何影響結(jié)果。The advantage of these forms lies in that it is easily to see how changing angles affect the result. 1. 必須確定熱傳遞朝哪個方向發(fā)生。It is necessary to determine in which direction heat transfer takes place.2. 有待于證明這個式子是成立的。It remains to be shown that thi

21、s equation holds.3. 我們必須搞清楚R是小于任何數(shù)的一個量。We need to figure out that R is a quantity less than any number.4. 這些誤差限制了時間增量increment能多小的程度。These errors limit how small the time increment can be.5. 每樣?xùn)|西都是由微小的粒子構(gòu)成的,這現(xiàn)在是眾所周知的。It is well known that every object consists of tiny particles.6. 我們必須求出在哪一項后該級數(shù)開始收斂

22、。We must find after which term the series begins to converge.7. 設(shè)A等于B的那一點處于X=C的地方。Suppose that the point at which A is equal to B is where X=C.8. 直角三角形right triangle是其邊side中有兩個相互垂直的一種三角形。A right triangle is the triangle two of whose sides (=two of the sides of which are perpendicular to each other.9

23、. 這里我們使用了其表面上繞有導(dǎo)線的一個環(huán)ring。Here we have used a ring on whose surface (=on the surface of which the wire is wound.10. 沒人了解我們稱之為生命的那個特征。Nobody knows the characteristic (that we call life.11. 由上述得知在該點的斜率slope為零。From what has been described above, it follows that the slope at the point is zero.12. 當(dāng)時并不清楚

24、大氣層對無線電波有什么影響。It was not clear what effect the atmosphere has on radio waves.13. 我們需要知道的是這個角度為多大才能滿足那個方程。What we need to know is what (=how large this angle should be so as to satisfy that equation. 14. 所謂力的三要素(the three elements of force在我們學(xué)習(xí)力學(xué)mechanics中起很重要作用。What are called “the three elements of

25、 a force” plays an important role in our study of mechanics.15. 人們只需要在R上并接一個電容器。All one need do is to connect a capacitor across R.16. 我們能求出輸出功率(output power為最大的電流。We can find out the current at which the output power is a maximum.17. 本書首先論述了使用固態(tài)器件(solid-state的電子線路,然后簡要地解釋了采用電子管(electron tube的電路。Thi

26、s book first describes the electronic circuits using solid-state devices, after which a brief explanation of circuits using electron tubes is presented.1.理想的調(diào)制方法(modulation scheme與現(xiàn)有方法相比具有帶寬(bandwidth小,實現(xiàn)簡單,成本低和誤碼率(error rate低的優(yōu)點。The ideal modulation scheme has the advantage over those available of

27、narrow bandwidth, easy realization, low cost and error rate.2.晶體管確實能放大信號,但它究竟能放大信號多少倍取決于該晶體管類型。Transistors do amplify signals; however how many times it is that it can amplify signals depends on the type of the transistor.3.在基極(base接地的情況下,Q5的阻抗(impedance很高。With base grounded, Q5 has a very high impe

28、dance.為了讓讀者更好地理解通訊系統(tǒng),就必須對信息論有深入的了解。For the reader to understand the communication system better, it is necessary to have deep knowledge of information theory.各種集成電路的產(chǎn)量較1998年增加了4倍。The product of all ICs is 5 times that of 1998.4.該芯片(dice是直徑為零點零幾厘米的一個小方塊。The dice is a small cube the diameter of a few

29、hundredths of a centimeter.5.傳輸線屏蔽(shielding越好,傳輸效果越好,傳輸距離就越遠,這是通信常識。The better the shielding of transmission lines, the better the transmission effect and the further they can transmit, a common sense in communication.6.在采用這些調(diào)制類型時,不論是調(diào)頻(FM、調(diào)幅(AM、還是單邊帶(SSB,都需考慮帶寬(bandwidth效率和功率效率之間的平衡關(guān)系。In adopting

30、these modulation types, whether FM, AM, or SSB, the balance between bandwidth efficiency and power efficiency should be considered.7.銀是最好的導(dǎo)體,其次是銅。Silver is the best conductor, followed by copper.8.像我們用來測量電壓的這種儀表稱為電壓表。Such meters as we use to measure voltage are called voltmeters.9.圓心在原點,半徑為的圓的方程為x2+

31、y2=2。The equation to the circle of radius a, with the center at the origin, is 10.一個常數(shù),無論多大,都不能說成是無窮大。A constant, however great it is, can not be spoken of as an infinity.11.所謂電動勢(EMF就是指沒有電流流動時電池兩端的電位差。What is called EMF isthe potential difference across the terminals of a battery without current fl

32、owing.12.在所有這些藍牙設(shè)備中,該設(shè)備的傳輸速率高達每秒3Mb。Of all these Bluetooth devices, this one can transmit at as high a rate as 3Mb/s.13.無線局域網(wǎng)(LAN,費用較低,速度較快,現(xiàn)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表示了物體離透鏡lens的距離。f(x represents the distance the o

33、bject is from the lens.2. 該系數(shù)用來度量固體受熱時膨脹expand的量。This coefficient is used to measure the amount a solid will expand when heated.3. 所謂增益gain是指放大器amplifier放大信號的倍數(shù)。By “gain” is meant the number of times an amplifier amplifies sign als.4. 顧名思義,本章主要講矩陣matrices。As the name shows, this chapter deals mainly

34、 with matrices.1. 同極相斥是非常有用的物理現(xiàn)象。Like poles repelling each other is a very useful physical phenomenon.2. 存在量子使我們能夠用傳統(tǒng)方法描述原子粒子的運動。The quantums existing enables us to describe particles movement in a traditional way.3. 在核反應(yīng)中原子核粒子碰撞時的第一步是他們相互結(jié)合形成合成原子核。The first step in a nuclear reaction between two colliding nuclear particles is their j