科技英语写作高级教程第二版参考答案

V、练习参考答案

练习1

I、

1、the（各项均为负。)

2、the; a （功率额定值是电阻器不会引起温度太大的上升而能安全地耗散的最大功率。）

3、an（这是均方根值伏特计。）

4、The; a（该设备的成功设计需要详细地了解性能指标。）

5、the; a; a（在氢原子的布尔模型中，一个电子绕一个质子以半径为R 的圆周运转。）

6、the（电阻的单位是欧姆。）

7、an （这是一个h参数。）

8、/; /（图5－1画出了Oersted的实验。）

9、A; a; a（机器是能够传递力来完成某一确定目的的一种设备。）

10、/（水压机将在第14章加以考虑。）

11、the; the [/]（我们容易确定参数μ的值。）

12、/; the（根据式（2－1），我们得到以下的关系式。）

13、the; /（作者工作在位于阿林顿的得克萨斯大学。）

14、an（甚至当积分区间并不是无穷时，能够恰当地显示一个时函数的傅氏变换的仪器是多么重要啊！）

II、

1.Dr. Emmet graduated from Harvard University in 2001.

2.Professor Li earned his Ph.D. degree in mechanical engineering from

’an University of Technology in 1988.

3.Now we shall turn to the discussion of local area networks.

4.

optical spectrometer.

5.或How much time] is required to this experiment?

The density of a substance is its mass per unit volume.

6.An increase in pressure always causes a decrease in volume.

7.Fig. (2-5) shows what is expressed by Eq. (2-2).

8.

III、

1.

2.Finally, broad stepped impedance transformer is designed by this

method.

3.

sharing system

4.

5.

练习2

I、

1. This circuit consists of a battery, an inductor and a capacitor.

2. Compute the electric fields at points a, b, and c.

3. This satellite is used for communications between the United States and Great Britain, France and Italy.

5. Chapters 6, 7, and 8 deal with transmission lines.

II、

1. Its error is six parts in 101

2.

2. This computer stores four times more information than that one (does).

3. The demand for this kind of equipment in the near future will be 20 times what it is.

4. The voltage across this component is a few tenths of a volt.

5. Now its internal pressure is one third what it was.

III、

2. Unless otherwise stated, it is assumed that silicon transistors are used

can be neglected.

CBO

4. Figs. 1, 2, and 3 show this process in detail.

练习3

I、

1. This new type of computer has many advantages over the general type.

2. It is not difficult to solve this differential equation for the unknown quantity.

3. Of these five new chapters, the first one deals with the basic principles of negative feedback.

4. At this point/time, current differs in phase from voltage by 90o.

5. By analyzing [By the analysis of] the parameters of the instrument, we can understand its performance.

6. We will find out its average velocity over this distance.

7. The science of electronics is too important in the world today.

8. They solved this problem with great difficulty.

II、

1. For x＞1, there is no solution to this equation [this equation has no solution].

2. Upon [On] substituting [substitution of] these values into [in] the equation, we obtained the following expression..

3. This circuit is similar in operation to that of Fig. 1-10.

4. This computer is very good in performance.

5. These waves travel only in one direction.

III、

th of October.

4. V

5. They will to international

mobile communication.

6. Unless otherwise stated, it is assumed that silicon transistors are used

can be neglected.

CBO

7.

练习4

I、

1. The force acts perpendicular to the surface of the table.

2. The three coefficients here remains to be determined.

3. The two equations below will be often (frequently) used in later

chapters/in the chapters which follow.

4. Here we use two metal balls 10 cm apart.

5. The output remains/stays constant/unchanged/fixed/unaltered/the same.

6. All the textbooks available discuss this problem.

7. Accurate in operation and high in speed, computers have found wide applications.

8. The answer to this problem looks correct.

9. Two parallel wires a distance (of)δapart carry the current i.

10. The problem now is how to measure the voltage across this component.

11. These data will be sent to the computing center 2 kilometers away.

12. Upon rearranging the equation above, we have [get, obtain] the following expression.

13. These charges can interact with other charges present.

14. Forces can be transmitted without contact, contrary to the common belief.

15. This coefficient is typically 0.35.

II、

1. In this case, the input does not fall; nor [neither] does the output. […; the output does not fall, either.]

2. The resistance of a conductor on the

which the conductor is made, but also on the size and temperature of the conductor.

练习5

I、

ways which follow.

ground.

k has the same unit as work (does).

II、

these components.

5. AC can be changed/turned/converted/transformed/translated into/to DC,

multimeter is widely used in electrical engineering.

III、

R o.

6. We must take the effect of temperature on [upon] semiconductors into account.

7. In this case, the variation of output with input is very small.

8. This curve shows the dependence of distance on/upon speed.

IV、

not.

练习6

I、

1. This image, it will be noticed, is a real image.

2. This technical problem, we hope, will be solved soon.

3. 210is approximately 1000, a fact that we think is very useful in the study of digital electronics.

4. A resistor of say 100 ohms should be used here.

II、

radars.

robot.

III、

1. In Section 1-2, the concept of force was introduced.

2. As early as the 1940s, it was found that semiconductors are very useful.

3. This result can also be arrived at in another way.

4. At that time no use was made of this phenomenon/…, this phenomenon was made no use of.

5. This point will be dealt with in the next section.

IV、

much better in performance than that one (is)..

4. The greater the resistance, the longer time it takes for the capacitor to reach its maximum voltage/…, the longer time is required for the capacitor to reach its maximum voltage.)

5. The current as small as 0.1 A cannot produce enough heat.

V、

is 或：We can determine the weight of the body easily.

6. The results values. […are in agreement with the experimental values.]

练习7

I、

1. It will take a few months to design this kind of aircraft with the help of a computer.

2. It is left as a problem to [for] the reader to show that this expression holds.

3. The program to be executed is stored in this unit.

4. This valley acts as the foundation on which to build the dam.

5. In this laboratory there are many kinds of instrument for students to choose from.

6. Let t0 equal/be equal to zero.

7. The farther away the target (is), the longer time it takes for the echo to return.

8. For the series to converge, x must be less than 1.

9. We find this concept very difficult to understand.

10. This method makes it much easier to detect targets.

11. This factor will affect the ability of a computer to store information.

12. We have to find out how large to make r so as for the series to converge.

13. This is a pen to draw pictures with.

14. Elasticity is the tendency of a body to return to its original condition after being deformed.

15. Ordinary matter is said to be electrically neutral.

16.This property makes it possible for metals to be made into any shape.

17. This table is unfit for a student to do experiments on.

18. Now we consider what path of integration to take.

II、

has been emphasized.

2. Not only temperature and light affect the conductivity, but the

Smith for his great help.

练习8

I、

1. The amplifier amplifies the received signals.

2. Moving molecules have kinetic energy.

5. Fig. 1 – 3 shows the photo of a freely falling body.

3. Speed equals distance divided by time.

4. V oltage equals/is equal to current multiplied by resistance.

5. The resistance of air increases with the increased/increasing/an increase in speed.

6. A transformer is a device consisting of two or more coils wound on/round an iron core.

7. It is necessary to find out the current flowing through this component.

8. This book, properly used, will be of great help to the reader.

9. Flowing through a circuit, the current will lose part of its energy.

10. Given/Knowing time and speed, we/one can find out distance.

11. Having studied this chapter, the student will understand/will have understood the principle of a computer.

12. The speed of light being extremely great, we cannot measure it by ordinary methods.

13. Several comsats were launched, all of them (being) high-altitude satellites.

14. Called “the mother of all networks,”the Internet is a widely used international network.

15. This force can be resolved into two components, one (being) horizontal and the other vertical.

II、

1.Let us construct/draw a circle with the origin as the center and of radius R.

2.This parameter should be measured with E grounded.

3. With no resistance in the circuit, the current will increase indefinitely.

4. With this in view, we have written this book.

5. This paper introduces a new design method/technique, with emphasis on its principle.

III、

1.Let us consider designing a computer.

2.We refer to these components as being passive.

3.This involves taking the Fourier transform.

4.On/Upon rearranging the above equations, we obtain the following set of equations.

5.In using this equation, it does not matter which plane is considered as IV、

1.

voltage.

2.

3.

4.

5.

练习9

I、

1. The problem was not solved until a completely different method was introduced.

2. Nearly 100 years passed before the existence/presence of subatomic particles was confirmed by experiment/experimentally.

3. The year this device was invented, World War II broke out.

4. Small as they are, atoms are made up of still smaller particles.

5. These two resistors should be selected/chosen so that the transistor can

operate normally.

6. The body is in such a state that it can do work.

II、

1. The relation that voltage is the product of current and resistance applies to all the dc circuits.

2. The discovery that magnetism can produce current is extremely important in the field of electricity.

3. An equation is an algebraic statement that two algebraic expressions are equal.

4. There is evidence that no life exists on the moon.

5. The question now arises whether the algorithm is of practical use.

6. In this case there is no guarantee that the series is convergent.

7. There is a growing/increasing awareness that these techniques/methods are very useful.

8. One of/Among the most noteworthy achievements at that time was the realization that light consists of electromagnetic waves.

9. This is due to/is caused by/results from the fact that there are many free electrons in conductors.

the fact that the properties of the material should be included in the analytical model, we must take other factors into account. III、

1.These features make it difficult for electronic counter-measure systems to intercept, analyze and jam this kind of signals.

2. The existence of and the ability to control these phenomena make those devices possible.

3. The variation of/in the number of the filter’s teeth has a greater effect on the performance of its passband than the variation of/in its dimensions.

4. Scalar detection will result in the loss of some phase information.

5. Fig. 6 shows the schematic diagram of measuring scatter parameters by the natural parameter transformation method.

练习10

I、

华科双学位英语new

2008级、07级（五年制）英语二学位通知 2008级、2007级（五年制）申请修读华中科技大学英语第二学位的同学请注意：非华科大同学请于2010年3月5号上七校联合办学网查看自己的分班情况及课表，仔细阅读课表下方有关上课时间、上课地点以及教材购买等的通知，按通知要求做好上课前的准备，并根据课表的安排准时到指定地点上课。华科大的同学除上述要求外，还必须于缴费当天上班时间持缴费收据到科技楼南楼212注册。 华中科技大学外国语学院英语系 2009年12月20号

英语双学位（1班---16班）2009－2010学年度第二学期课表（周六上课） 第一次上课时间: 2010年3月6号（第一周周六）上课地点: 东九教学楼（上午8：30----11：40，下午2：00----5：10） 请同学们第一次上课时于7：50以前到达上课地点，以便有充足的时间购买教材；请仔细阅读课表下方的有关通知 注：第一次上课时间：2010年3月6号（第一周周六）； （2010年3月6号为第一周周六，2010年3月7号为第二周周日，3月13号为第二周周六，3月14号为第三周周日，以此类推。）上课周次：周六班（1---16班）：1---3周、5---12周、14---15周； 除按课表已安排的周次正常上课外，本学期节假日（如清明节、五·一节、端午节）均安排补课。

英语双学位（17班---26班）2009－2010第二学期课表（周日上课） 第一次上课时间: 2010年3月7号（第二周周日）上课地点: 东九教学楼（上午8：30----11：40，下午2：00----5：10） 请同学们第一次上课时于7：50以前到达上课地点，以便有充足的时间购买教材；请仔细阅读课表下方的有关通知 注：第一次上课时间：2010年3月7号（第二周周日） （2010年3月6号为第一周周六，2010年3月7号为第二周周日，3月13号为第二周周六，3月14号为第三周周日，以此类推。）上课周次：（17---28班）：2---4周、6 ---12周、14周、16周 除按课表已安排的周次正常上课外，本学期节假日（如清明节、五·一节、端午节）均安排补课。

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1. My view on…(就...问题，我的观点) Model 1 模板一 Para 1第一段 Different people have different views on... It is held/ believed/ thought/ recognized/ acknowledged that...But it is also held that ... 就 ...而言，不同的人有不同的观点（见仁见智）。大家都认为...但也有人认为... Those who hold the first opinion feel…In contrast/however/on the contrary, those who hold the second view believe/suggest/argue/believe/think that… 持第一个观点的人认为...相反地，持第二个观点的人认为 Para 2 第二段 As to me, I agree with the former/latter opinion. Admittedly… /后者 In my opinion, I am for From my standpoint / viewpoint, I am in favor of From my point of view, I am supportive of As far as I am concerned What’s more，… Moreover，… Furthermore，… ，… Para 3 结尾段 In a word, … In sum In brief In short It’s necessary to take a correct attitude to…. Only …, can we … In conclusion 对...持正确的态度是有必要的。只有...，我们才能... To sum up As is mentioned above, Taking all the above into consideration, Model 2 模板二 Para 1第一段 随着...到来/诞生，在我们生活/社会中...变得越来越... When asked about ..., different people will offer different opinions.

科技英语写作高级教程参考答案完整

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