笔译笔记整理

A:
A cathode ray tube is shaped like a large bell.
阴极射线管的形状像个大铃铛。

According to semiconductor theory the scientists have developed many new devices in our country since 1970.
1970年以来，在我国，科学家们根据半导体理论研制出许多新型的器件。

A failure of a circuit to meet a specification is sometimes caused by bad wiring, especially at high frequencies.
线路与技术规范不相符，有时是由于布线不好而引起的，尤其在高频时更是这样。

After all preparations were made, the planes were flown across the pacific to San Francisco.
一切准备工作就绪以后，飞机飞越太平洋去旧金山。

After people have learned that magnets attract things, centuries passed before they took note of the fact that magnets sometimes also repel things.
人们早已知道了磁铁能吸引别的物体，又过了几百年，才注意磁铁有时也排斥别的物体这一事实。

Almost everyone old enough to remember the raid can recall the thrill and the cheers that swept the country when the news came out that American planes had bombed Tokyo.
几乎所有年纪大些能记得这次袭击的人，都可以回忆起当年美机轰炸东京的消息发表时举国上下一片欢腾的情景。

All metals are not good conductors.
并非所有金属都是良导体。

All voltage amplifiers are not the same.
并不是所有的电压放大器都是一样的。

Although energy can be changed from one form into another, it can neither be created nor destroyed.
能虽然可以由一种形式转变为另一种形式，但他既不能创造也不能消灭。

Although the recession has reached every corner of the planet, the impact is uneven.
虽然这场经济衰退波及全球的每一个角落，但各地受到的影响尽不相同。

A motor is similar to a generator in construction.
电动机的结构与发电机类似。

An automobile must have a brake with high efficiency.
汽车的刹车必须高度有效。

An electron is an extremely small corpuscle with negative charge which rounds about the nucleus of an atom.
电子是绕着原子核转动带有负电荷的及其微小的粒子。

A new English-Chinese phrases dictionary that I bought here yesterday and placed on the shelf is very useful for translation.
我昨天带来放在书架上的一本新的英汉成语词典，对于翻译很有用处。

An object in motion remains in motion unless a force is exerted on it. 运动的物体始终保持运动，除非有力作用于它。

Anyone who thinks that rational knowledge need not be derived from perceptual knowledge is an idealist.
如果认为理性认识可以不从感性认识中得来，他就是一个唯心论者。

Are you familiar with the performance of this type of transistor amplifier?
你熟悉这类晶体管放大器的性能吗？
As far as the head goes, at least, she does credit to the educational system pursued at my establishment.
无乱如何，就智力才能而论，她确实能为本校所遵循的教育制度增光。

As long as we don’t lose heart,we’ll find a way to overcome the difficulty.
只要我们不灰心，就能找到克服困难的办法。

As we enjoy great advantages from the inventions of others, we should be glad to serve others by any inventions of our own.
既然我们享受着别人的发明给我们带来的巨大益处，我们也应该乐于用自己的发明去为别人服务。

A teacher should have patience in his work.
教师在工作中应当有耐心。

Atoms are so small that we can not see them with the most powerful microscope.
原子非常小，我们用倍数最高的显微镜也看不到它们。

A view of Mt.Fuji can be obtained from here.
从这里可以看到富士山。

B:
Bearings for different uses are turned out by these factories.
这些工厂生产不同用途的轴承。

Before you hand in your paper, you have to read it over and see if there is anything in it to be corrected and revised.
交卷前，必须检查几遍，看有没有需要修改的地方。

Both of the answer are not right.
两种答案并非都对。

But i suspected that if i tried to release the wolf, she would turn aggressive and try to tear me into pieces.
可是我想，要是我去放这只狼，她会凶狠地扑过来，要把我撕成碎片。

But world attention also is focusing on another step,which will make the somker increasingly self-conscious and uncomfortable about his habit. 同时，人们也正把注意力集中在另一项措施上，这项措施将使吸烟者越来越意识到自己的不良习惯并为之感到不安。

By using a small computer, the circuit designer can make calculations covering many times of circuit parameter variations.
若利用小型计算机，电路设计人员就能进行较多的计算，一次又一次地修改电路参数。

C:
Capacitors are devices, the principal characteristic of which is capacitance.
电容器是以电容为只要参数的元件。

China joined the growing list of Asian nations turning their backs on American aircraft-makers.
亚洲越来越多的国家不再订购美国制造的飞机，中国也加入了这个行列。

Computer languages may range from detailed low level close to that immediately understand by the particular computer, to the sophisticated high level which can be rendered automatically acceptable to a wide range of computers.
计算机语言有低级的，也有高级的，前者比较繁琐，很接近于特定计算机直接能懂的语言，后者比较复杂，适用范围宽，能自动为多种计算机所接受。

Conductors are all substances that allow electricity to flow through them easily.
让电流容易通过的物质都是导体。

Conductors have very small resistances, and the smaller the resistance, the better the conductor.
导体的电阻小，电阻越小，导体越好。

Consumption of wines and spirits picked up again before the New Year. 色酒和白酒的购销在新年到来之前再一次呈上升趋势。

Courage in excess becomes foolhardiness, affection weakness, and stinginess avarice.
勇敢过度，即成蛮勇；感情过度，即成溺爱；吝啬过度，即成贪婪。

D:
Days and nights are very long on the moon,where one day is as long as two weeks on the earth.
在月球上，白天和黑夜都相当长，月球上的一天等于地球上的两周。

Digital computers are all similar in many ways such as having at least the five parts which all work together when solving a problem.
各种数字计算机在许多方面都相似，例如，至少具备五个部分，这五个部分在解题时都一起工作。

Digital computers are essentially machines for recording numbers, operating with numbers and giving the result in numerical form.
数字计算机本质上是一种记录数字，运算数字并给出数字结果的机器。

Doctors have said that they are not sure they can save his life.
医生们说他们不敢肯定能否就得了他的命。

Do not confuse gliding flight and diving flight,these is no sharp distinction between the two.
不要把滑翔飞行和俯冲飞行弄混了，两者之间没有很明显的区别。

Do you agree with me in doing translation strictly according to the principles studied?
你赞不赞成我的看法：在进行翻译的过程中，应该严格遵守所学的规则。

E:
Electricity begins flowing and the lamp lights when we close an electric circuit.
当我们接通电路时，电流就开始流动，于是灯就亮了。

Electricity flows through a wire just as water flows through a pipe. 电流通过导线，正像水流过管道一样。

Electricity is such an important energy that modern industry couldn’t develop without them.
电是一种非常重要的能量，没有它，现代化工业就不能发展。

Electronic computer,which have many advantages,cannot carry out creative work and replace man.
电子计算机虽然有许多优点，但却不能进行创造性的工作，代替不了人。

Electrons, of course, are forced through a circuit by the voltage.
当然，电压推动电子流过电路。

Every machine here is not produced in our factory.
这里的机器并不全是我厂生产的。

Everywhere you go,you will find the movement of objects
无论你到哪里，你都会发现物体的运动。

Evidently semiconductors have a lesser conducting capacity than metals. 半导体的导电能力显然比金属差。

F:
Formality has always characterized their relationship.
他们之间的关系，有一个特点，就是以礼相待。

Friction is not always a disadvantage.In many instances it is highly important.
摩擦并不总是不利的。

在许多情况下，它是非常重要的。

G:
Gases are different from solids in that the former have greater compressibility than the latter.
气体不同于固体，因为气体比固体有更大的压缩性。

H:
Have you not yet finished your experiment about measuring voltages with oscilloscopes?
No,we haven’t.
你们还没有做完有关用示波器测量电压的实验么？
是的，还没有。

Having just left school or technical institute, where they had their place and a task to fulfill and where they were known and esteemed by their colleagues, those young people who do not land that first job they were so eagerly looking forward to have to face up for the first time
to unemployment, a situation for which neither family nor school has prepared them.
年轻人在学校或技术学院都各得其所，各有自己需要完成的任务，受到同学的了解和尊重。

而现在，他们刚刚离校，却找不到他们孜孜以求的第一个职业，不得不面对有生以来的第一次失业。

对于这种情况，无论是家庭还是学校都没有为帮助他们做好准备。

He also concluded that insight into prehistoric cultures should ideally proceed from knowledge of living cultures.
他还得出这样的结论：要对史前各种文化有深刻的认识，理想的是从了解现存的种种文化着手。

He dialed the wrong number.
他拨错了电话号码。

He felt the patriot rise within his breast. And after all preparations were made, he decided to leave the U.S. at once by plane for our great motherland.
他感到一种爱国热情在胸中激荡。

一切准备工作就绪以后，他就决定立即乘机离开美国，回到我们伟大的祖国来。

He is very handsome.
他很潇洒。

He is collecting authentic material that proves his argument.
他正在收集确凿的材料以证明他的论点。

He liked his sister,who was warm and pleasant,but he did not like his brother,who was aloof and arrogant.
他喜欢热情活泼的妹妹，而不喜欢冷漠高傲的哥哥。

He shrugged his shoulders, shook his head, cast up his eyes, but said nothing.
他耸耸肩，摇摇头，两眼看天，一句话不说。

He took out from his pocket the last piece of boiled ox-hide and gave it to me.
他从口袋里拿出最后一块煮熟了的牛皮给我。

Here at home in England, under the fire of the Boche, we do not forget the ties and links that unite us to France, and we are persevering steadfastly and in good heart in the cause of European freedom and fair dealing for the common people of all countries, for which, with you, we
drew the sword.
我们在英国本土，虽然处于德国鬼子炮火之下，并没有忘记我们法国是通过种种纽带连接在一起的。

为了争取欧洲的自由，为了各国的平民能收到公正的对待，我们曾与你们一道拿起武器并肩作战。

现在，我们正抖擞精神，不屈不挠地坚持着这个斗争。

High voltage is necessary for long transmission line while low voltage for safe use.
远距离送电需要高压，安全用电则需要低压。

High-quality machines of various types are produced in our country. 我国生产各种类型的优质机器。

I:
I am a perfect stranger in electric arc welding.
我对电弧焊完全陌生。

I can not finish the experiment until Sunday.
星期天以前，我完不成这项实验。

I can’t repair the TV set,not but that I should like to repair.
这台电视机，我是不能修，并非不肯修。

Ice is not as dense as water and therefore it floats.
冰的密度比水小，因此能浮在水面上。

I don't think electrons can transfer energy in any circumstance.
我想，并非在任何情况下，电子都能传送能量。

If the wire has a small cross section, the electric current which flows through it per second will be small in quantity.
导线的截面积小，每秒钟所流过的电流就小。

If he is too old to work much, the retired worker is very enthusiastic about neighbourhood affairs.
虽然这位退休老工人年迈不能多操劳，但他对街道工作非常热心。

If we have carried on thorough investigation, we can draw a correct conclusion.
只有当我们做了彻底的调查研究之后，才能得出正确的结论。

I had been working at an international clinic in Beijing and so had heared about the many expatriates who drink or find other ways to deal with their anguish or unhappiness in China.
我曾在北京的一家国际诊所工作过，听说有很多外国人酗酒或寻找其他方式来
发泄心中的烦恼与不快。

In circuits requiring capacitance the necessary capacitance is provided by a device called a capacitor.
在需要电容的线路中，所需的电容由成为电容器的元件提供。

Independent thinking is an absolute necessity in study.
学习中的独立思考绝对必需。

In every Chinese city, we got into the streets, shops, parks, theatres and restaurants.
在中国，我们每到一个城市，就逛大街，进商店，游公园，上剧场，下饭馆。

In the absence of gravity,there would be no air around the earth.
没有重力，地球周围就没有空气。

In the evening, after the banquets, the concerts and the table tennis exhibitions, he would work on repairing the radio receiver.
晚上在参加宴会、出席音乐会、观看乒乓球表演之后，他还得修理无线电接收机。

In the transistor the output current depends upon the input current, hence it is a current-operated device.
在晶体管中，输出电流取决于输入电流，因此，晶体管是电流控制器件。

In this world,things are complicated and are decided by many factors. 世界上的事情是复杂的，是由各方面的因素决定的。

In some cases, deserts, are the creation of destruction of virgin forest. 沙漠有时时人类毁坏原始森林造成的。

In twelve Yenan years the Chinese communists had fitted themselves to the land, the rhythm of its seasons, the mood of its peasant.
十二年的延安岁月，中国共产党人已经适应了当地的风土人情和四季变化，也适应了农民的心理状态。

I said to her, “if you have read these stories, tell them in your own words.” But she covered her face with her hands as if to protect her eyes.
我对她说：“如果你已读过这些故事，用你自己的话讲出来。

”但她用手蒙住脸，好像要保护自己的眼睛。

I saw a man,wounded in the thigh,a gaping wound that bled and bled,walk for three days through rain and mud and cold back to the C.C.S. because no one could be spared to carry him.
我曾经看到一个伤了大腿，伤口直淌着鲜血的人，因为人们腾不出手来抬他，便在泥泞和风寒中步行三天三夜到达野战医院。

It is about 300 thousand kilometers for the radio wave’s speed in a second.
无线电波的速度每秒约30万公里。

It is hoped that solar energy will find wide application wherever it becomes available.
可以期望，太阳能将得到广泛的利用，以致任何地方都可以使用。

It is impossible for us to watch TV without the cathode ray tube.
没有阴极射线管，我们看电视是不可能的。

It is much to be regretted that Mr.Puzo died at so young an age.
普佐先生这么年轻就去世了，很令人惋惜。

It is over three years since he died.
他死了三年多了。

It is remarkably clear. It shows streets and factories and a winding river and docks and submarine pens.
它（照片）十分清晰，可以看出街道、工厂、一条蜿蜒的河流一集码头、潜艇修藏坞等等。

It is sixty grammes in mass.
质量为60克。

It is thirty cubic meters in volume.
体积是30立方米。

It’s an interesting test for the videophone.Don’t you want to go to have a look at it with us?
这是一个有趣的电视电话实验，你难道不想和我们一块去看看么？
It was a tense meeting, but in typically Arab fashion the men who had been ready to kill one another in the morning were kissing one another in the evening.
这是一个气氛紧张的会议，但是那些早上还准备拼个你死我活的冤家到了晚上却相互亲吻了，这是典型的阿拉伯风格。

It was a clear and unemotional exposition of the President’s reasons for willing to begin a Chinese-American dialogue.
总统这篇发言清楚明白，心平气和地说明了希望开始中美对话的原因。

It was not until the 18th century that man realized that the whole of
the brain was involved in the workings of the mind.
直到18世纪人类才认识到，整个大脑都卷入了思想活动。

It was sharply different from the west, where an evening was hurried from phase to phase toward its close, in a continually disappointed anticipation or else in sheer nervous dread of the moment itself.
这种情况和我在西部所见到的截然不同。

那里，晚间社交活动总是匆匆而过直到结束。

每一阶段，参加者不断地期望着，又不断地失望，要不然就是心情十分紧张，每时每刻都担惊受怕。

It was with some difficulty that he found the way to his own house. 他费了不少劲才找到了回家的路。

J:
John is a clean-cut, great-looking guy who likes his father and mother, who frowns on drugs, who takes his profession seriously, who likes to have a good time, who enjoys the company of the opposite sex, and who has his own goals and values. He’s a boy with no surprise up in his sleeves.
约翰是一个干净利落，相貌伟岸的人。

他热爱父母，厌恶毒品，工作认真，爱享受生活，喜欢有女性为伴，有自己的理想和价值观。

他是一个不会做出惊天动地的事情的男孩。

Just as all living things need air, water and sunlight, so plants need them.
植物像所有的生物一样也需要空气、水和阳光。

L:
Lesson Ten is not so as difficult as lesson Nine.
第十课不像第九课那么难。

Light, as it comes from a laser, is essentially of one color, that is, it is of one frequency, or one wave length.
来自激光器的光只有一个颜色，也就是说，它只有一个频率，即一个波长。

Like charges repel; unlike charges attract.
同电相斥，异电相吸。

M:
Manufacturing processes may be classified as unit production with small quantities being made and mass production with large numbers of identical parts being produced.
制造过程可分为单件生产和大量生产。

单件生产就是生产少量的零件，大量生产就是生产大批相同的零件。

Many of machine parts are now made of plastics instead of metals so that their weight may be decreased.
现在许多机器零件不用金属而用塑料制造，为的是减轻其重量。

Many years ago I wrote a novel called The Moon and Six pence. In that I took a famous painter, Paul Gauguin, and , using the novelist’s privilege, devised a number of incidents to illustrate the character I had created on the suggestions afforded me by the scanty facts I knew about the French artist.
多年前，我写过一本小说叫《月亮和六便士》。

在那本书里，我挑选了一个名画家保尔*高更。

关于这位法国艺术家的生平，我知道的很少，只是倚仗一点事实的启示，使用小说家的权限，炮制了若干故事来写我创造的人物。

Marx knew English before he went to London.
马克思去伦敦之前就懂英语。

Men and nations working apart created these problems, men and nations working together must solve them.
人与人之间一集国与国之间离心离德产生了这些问题，人与人之间以及国与国之间同心同德必定能解决这些问题。

Men can think, feel, and sympathize with each other through their favourite author.
They live in him together, and he in them.
人们可以通过共同爱好的作家的作品而达到感情上的一致。

他们的思想和感情都在他的作品中得到反映，而他的思想感情又在他们的身上体现出来。

Most electronic circuits such as those found in radio and television receivers are equipped with rectifier circuits that produce the direct voltages necessary for the operation of transistors and electron tubes. 绝大多数的电路，例如无线电接收机和电视接收机中所见到的电路，都配备有整流电路以提供晶体管和电子管工作所需要的直流电压。

Most U.S. spy satellites are designed to burn up in the earth’s atmosphere after completing their missions.
美国绝大多数间谍卫星的设计都是在完成使命后在大气层中焚毁。

Mr,Smith was arrested when he himself was not aware of what crime he had committed.
史密斯先生自己还不知道犯了什么罪，人家就把他逮捕了。

My heart is full of happiness,which I like to share with others.
我心中充满了快乐，想与人分享。

N:
Neither problem has been solved.
两个问题都没解决。

Never get on or off the bus before it comes to a standstill.
车未停稳，切勿上下。

No machine ever runs without some friction.
从来没有一台机器运转时没有摩擦的。

No one is so difficult but radio techniques may be learned.
没有一种无线电技术会难到不能学会的程度。

None of these metals have conductivity higher then copper.
这些金属的导电率都不及铜高。

Not all the FM wireless microphones can be used now.
这些无线电话筒现在并非都能使用。

Not many of things are of use in form in which they are found.
不是许多东西在处于被发现的形式时就是有用的。

Not much was known of the electronic computer ten years ago.
10年前关于电子计算机还知道得不多。

Nothing in the world moves faster than radio waves.
世界上没有任何东西比无线电波传播得快。

Nothing is hard in this world, if you dare to scale the heights.
世上无难事，只要肯登攀。

O:
Ohm's law is very useful for the industry because it enables one to calculate the current，voltage or resistance of any circuit, if the values of the other two factors are known.
欧姆定律对工业来说是十分有用的，因为它使人们能算出任何电路中的电流、电压或电阻，条件是已知其中的两个因数。

On August 1, the gunboat began her mission, which was, in the eyes of the defenders, a provocative act and seemed to be part of the overall assault which had begun on July 31.
八月一日炮舰开始执行任务。

在防御者看来，这是一次挑衅行动，而且似乎是
七月三十一日开始的全面攻击的一个组成部分。

One of the bundles included some 300 pounds of raw cotton, the body of an Inca noble and a baby, as well as 70 other items, including food, pottery, animal skins and corn to make a fermented drink known as chicha. 在其中一个木乃伊里，人们发现了约300磅重的生棉，一个印加贵族和一个婴儿的躯体，还有食品、陶器、动物皮以及酿造吉开酒用的谷物等70种物品。

Our bodies have more parts and can do more types of work than any machine in the world.
人体所具有的部件和能做的工作比世界上任何机器都多。

Our teacher did not believe this was possible,but he agreed he would study the matter.
我们老师认为这是不可能的，但他同意研究这一现象。

Outside it was pitch dark and it was raining cats and dogs.
外面一团漆黑，大雨倾盆。

"Outside the stadium something of a carnival atmosphere prevails," he wrote in the American journal of sociology.
"体育场外边呈现出一种狂欢节似的气氛"，他在《美国社会学杂志》上写道。

Order is order, we cannot complain, we cannot bargain, we cannot question and we cannot suggest changes.
命令就是命令，不得抱怨，不得讨价还价，不得质疑，不得建议修改。

P:
People considered that what he had played on that occasion was no more than a Judas Kiss.
人们认为他在那种场合所表演的不过是犹大之吻，居心险恶。

Plants will grow well if air, water and sunlight are enough.
如果空气、水和阳光充足，植物就能长得好。

Plastics find world-wide application because they possess a great number of useful properties.
塑料在世界上得到广泛的应用，因为它具有许多重要的特性。

Presently you will be able to weight the arm that strikes for you, and you ought to do so.
用不了多久，你们就能够给这个替你们去打击敌人的铁拳增加一些分量，而且你们也应该这样做。

Product technology will shift from the present scale merit technology
to technology using microprocessors or minicomputers.
产品制造技术将从目前的等级优值（从大批量生产中得益的）技术转移到使用
微处理机或小型计算机（控制而适合于多品种小批量生产）的技术。

Proton has a positive charge and electron a negative charge but neutron has neither.
质子带正电荷，电子带负电荷，而中子则两种电荷都不带。

Pure metals have few useful properties.
纯金属几乎没有可用的特性。

R:
Reading makes a full man; conference a ready man; writing an exact man. 读书使人充实，谈话使人敏捷，写作使人准确。

Robin Hood and his merry men hated the rich and loved and protected the poor.
罗宾汉和他快乐的伙伴们痛恨富人，热爱并保护穷人。

Rockets have found application for the exploration of the universe.
火箭已经用来探索宇宙。

Rontgen was not a little surprised when he found that the strange glow came from a small fluorescent screen.
伦琴发现那奇怪的亮光竟来自小小的荧光屏时，大为惊奇。

Round surface reflector is a key unit for the solar energy decice.
弯曲面反射体是太阳能装置的关键元件。

S:
Semi-conductors are not good conductors.Neither is the mental.
半导体不是良导体，这种金属也不是。

Semi-conductors have already found wide application in radio engineering, automation, electrical engineering and many other branches of science and technology.
半导体已广泛应用于无线电工程、自动化、电气工程以及许多其他科技分支中。

Semiconductor devices are small and light.
半导体装置小而轻。

Smoking is prohibited in public places.
公共场所不准吸烟。

So long as enough fuel is put in the rocket, it will carry the satellite up into space.
只要给火箭加上足够原料，它就能把卫星送入太空。

Socialism is beyond doubt superior to capitalism.
社会主义无疑优越于资本主义。

Solutions of the problem of old age have to be considered against a historical background of slow but substantial changes in Chinese family structure, caused by rising living standards and family planning.
由于人民生活水平的不断提高以及计划生育，中国的家庭结构发生着缓慢却又具有实质性的变化，必须根据这一历史背景考虑到老年人的问题。

Some of our most skilled people don’t get the salaries of maids in the US.
我们有些技术最好的人才薪金还不如美国女佣高。

Such a study is well worth the effect, even though some aspects of English and the meaning of many words have changed since Shakespear’s day
这种学习方法很值得一用，虽说英语的有些习惯用法以及许多词的意思自莎士比亚时代以来发生了变化。

T:
The＂actions＂of the conscious mind, like choosing, whose existence as genuine operations many would deny, still give scientists nightmares, philosophers headaches, and theologians eternal joy.
人的头脑所进行的有意识的活动，比如选择，许多人可能会否认，说事实上并不存在这样的功能，但这种活动仍然使科学家感到困惑，使哲学家感到头痛，使神学家感到无限喜悦。

The activity was postponed,which was exactly what we wanted.
这项活动延期了，这正是我们希望的。

The advantages are that copper clad steel possesses the high tensile strength of steel combined with the high conductivity of copper.
优点是镀铜的钢兼有刚的高抗张强度和铜的强导电性。

The advantages of the meeting room are bright, spacious, fashionable and without echoes。

这个会议室有四大优点：明亮、宽敞、时髦、无回声。

The bag is too big to hold only a few apples.
这袋子太大了，不值得用来装这么几个苹果。

The boy is too young to join the army.
这男孩太小了，不能参军。

The brightness of a spot got by the middle of the tube can be varied by virtue of adjusting the d.c. voltage between grid and cathode.
显像管中央得到的光电亮度可以通过调整栅极和阴极之间的直流电压加以改变。

The capacitor is a square with all sides a half centimeter long .
电容器为正方形，变长0.5厘米。

The cubans fought so bravely that the invasion was crushed in seventy-two hours.
古巴人打得很勇敢，他们在72小时内就把敌人的入侵粉碎了。

The communications satellite can provide effectively voice and
data-signals to any place and at any time.
通信卫星可在任何时间向任何地点有效地传送话音和数据信号。

The computer to be described in this chapter is particularly useful. 本章要介绍的计算机特别有用。

The coverage and visibility of a satellite is determined primarily by its orbit.
威信的覆盖范围和视界主要决定于它的轨道。

The defense lawyer decided to petition for a new trial when they found an important new witness.
由于发现了一名新的重要证人，辩护律师决定申请重新开庭审讯。

The diameter and the length of the wire are not the only factors to influence its resistance.
导线的直径和长度不是影响其电阻的仅有因素。

The digitalized telephone,thus,can carry photographs in addition to voice signals.
因此，数字电话除能传送话音信号外，还能传送照片。

The earth goes round the sun.
地球环绕太阳运行。

The electric current does not flow if there is no potential difference between the ends of a conductor.
如果导体两端没有电位差，电流就不会流动。

The electronic microscope possesses very high resolving power compared with the optical microscope.
与光学显微镜相比，电子显微镜具有极高的分辨率。