科技英語—3-11章總復(fù)習(xí)題

1、第3章 總復(fù)習(xí)題1.Other factors affect the configuration of the total system.另一些因素則將影響整個(gè)系統(tǒng)的結(jié)構(gòu)。2. In normal flight the hatch doors fair into the fuselage.飛行正常時(shí)，艙門與機(jī)身平整貼合。3.Energy can neither be created, nor destroyed by any means known to man.用人們已知的方法，既不能創(chuàng)造能量也不能消滅能量。4. It is customary to refer to design leve

2、ls as high or low on component complexity.習(xí)慣上根據(jù)部件的復(fù)雜程度把設(shè)計(jì)級(jí)稱為高設(shè)計(jì)級(jí)和低設(shè)計(jì)級(jí)。5.The main economy of the system stems from the ability to move cars in a continuous train without uncoupling.此系統(tǒng)的主要經(jīng)濟(jì)之處在于它能移動(dòng)列車的車廂而不必將它們脫鉤分開。6.He is a stranger to the operation of the electronic computer.他對(duì)電子計(jì)算機(jī)的操作是陌生的。7. A key e

3、lement in system capacity planning is the financial cost of performance.系統(tǒng)能力計(jì)劃中關(guān)鍵因素是性能的金融成本。8.The assembler can expand the key words in the assembly code into their full instruction set.這種匯編程序能把匯編碼中的關(guān)鍵字?jǐn)U展成完整的指令集。9.The flame does not touch the flask directly.火焰沒有直接接觸燒瓶。10. The study of the strength o

4、f solids involves the study of the defects in the crystalline structure.研究固體的強(qiáng)度，就必須研究晶體結(jié)構(gòu)中的缺陷。11. The problem was solved by the provision of a compensating jet.通過安裝一個(gè)補(bǔ)償噴嘴，解決了這個(gè)問題。12.The rusting of iron is the slow chemical combination of the elements iron and oxygen in moist atmosphere.鐵生銹是鐵元素和氧元素在濕

5、空氣中緩慢化合的現(xiàn)象。13. The decay of organic matter is a slow oxidation by oxygen in the air.有機(jī)物的腐爛是空氣中的氧引起的一種緩慢氧化過程。14.In order to improve a certain kind of battery, Edison spent almost ten years and made nearly 50,000 experiments.為了改善一種電池的性能，愛迪生花了差不多十年時(shí)間，做了近50000次試驗(yàn)。第4章 總復(fù)習(xí)題1.The rise in temperature could

6、not have happened of itself.溫度上升不可能是出于自身的原因。2. Be the shape of a body complicated, it is possible to find out its volume.不論物體的形狀如何復(fù)雜，人們均可求出它的體積。3. The more energy we desire to send, the higher we make the voltage.要求輸送的電能越多，就得使電壓升得越高4.The most typical humanlike characteristic of a robot is its arm.機(jī)器

7、人最具人性化的特點(diǎn)就是它的機(jī)械臂。5. In our studies of the implications for the First Law, we were able to see the importance of the distinction between state and path functions.我們研究第一定律時(shí)，可以明白區(qū)分狀態(tài)函數(shù)和路徑函數(shù)的重要性。6. The first job of an electron tube is to get the electrons apart from their nuclei.電子管的第一項(xiàng)工作就是使電子與其原子核分開。7.

8、 That type of turbine usually rotates at a very low speed.那種汽輪機(jī)通常以非常低的速度運(yùn)轉(zhuǎn)。8. Small objects such as dust particles and water droplets fall only small distances before losing most of their acceleration.小物體，比如塵粒和水珠，僅僅下落了一小段距離后便失去了其大部分的加速度。9. The same has happened to the central control system.中心控制系統(tǒng)也發(fā)

9、生過同樣的事故。10. Theres hardly any room for any impurities in such a microfiber.在這種微纖維中，雜質(zhì)幾乎沒有存在的可能。11. His instances were Lennard and Stark, both of them were Nobel laureates but later became fervent followers of Hitler.他舉出勒納德及史塔克為例子。這兩個(gè)人都得過諾貝爾獎(jiǎng)，但后來卻成了狂熱的希特勒信徒。12. The primacy function of a regulator is

10、to supply constant pressure to each device.調(diào)節(jié)器的基本功能是給每個(gè)裝置提供穩(wěn)定的電壓。13. The best use of these equations is in checking the theoretical analyses using the other approaches.這些方程式最大的用處是可對(duì)采用了其他方法的理論分析進(jìn)行檢驗(yàn)。14. It is desirable to characterize electrical noise as accurately as possible.需要盡可能準(zhǔn)確地表征電噪音。15.It is

11、known that local weather can be affected within a few days by meteorological conditions thousands of miles away from here.我們知道，當(dāng)?shù)氐奶鞖庠趲滋靸?nèi)會(huì)受到幾千英里以外地區(qū)氣象狀況的影響。第5章 總復(fù)習(xí)題1.This seems to indicate that further research would be necessary.這似乎表明進(jìn)一步研究的必要性。2. An a.c. motor is similar in construction to a d.c. Mo

12、tor.交流電動(dòng)機(jī)與直流電動(dòng)機(jī)結(jié)構(gòu)相似。3. Natural environment can be easily ruined by inappropriate exploration.開發(fā)不當(dāng)容易毀壞自然資源。4.Negative charges are moving counterclockwise.負(fù)電荷按逆時(shí)針方向流動(dòng)。5. The average value of voltage can be measured point by point.電壓的平均值可以逐點(diǎn)測(cè)量。6. The problem of materials is eased by the lower boiling p

13、oint.由于沸點(diǎn)較低，材料問題容易解決。7. As a result, although there is minimal friction present, a lubricant is still absolutely essential.因此，雖然有很小的摩擦，但潤(rùn)滑劑仍舊是非常必要的。8. Removal procedure for left-hand and right-hand cyclic cylinders is essentially the same.左右兩邊循環(huán)氣缸的拆卸步驟基本上相同。9. Substantially, anthecyanin, the pigment

14、 that turns leaves- and apples- red, is produced by sugars that remain after the nutrients are choked off.本質(zhì)上，使樹葉和蘋果變紅的色素花色素苷是營(yíng)養(yǎng)去除后剩余的糖分產(chǎn)生的。10. Massage will affect muscles throughout the body.推拿將會(huì)對(duì)全身的肌肉組織產(chǎn)生影響。11. In this test the major part is backed off electrically.在此項(xiàng)實(shí)驗(yàn)中，主要部分被電補(bǔ)償。12. It is also g

15、ood for shock and impact loads.它還適用于振動(dòng)和沖擊載荷。13. The term minimum life is also used to mean rating life.最小壽命這個(gè)術(shù)語也指額定壽命。14. Usually, a 2cm adjustment of the machine is enough to bring the pressure back to normal.通常，把機(jī)器調(diào)整2厘米就足以使壓力恢復(fù)正常。15. Statistics is a rather modern branch of mathematics.統(tǒng)計(jì)學(xué)是一門相當(dāng)新的數(shù)學(xué)

16、分支。16. Computers provide the means for greater speed and accuracy in working with ideas than had previously been possible.計(jì)算機(jī)處理意念時(shí)所提供方法的速度和精確度都超過了以往所能達(dá)到的水平17. Less than a quarter of the energy of a human engine is converted into mechanical energy.人體發(fā)出的不到1/4的能量轉(zhuǎn)變?yōu)闄C(jī)械能18. Hydrogen is the lightest gas,

17、its density being 0.0894 g/l.氫是最輕的氣體，其密度為0.0894克/升。第6章 總復(fù)習(xí)題1.The conductivity of polyacetylene drops rapidly in contact with air.聚乙炔一接觸空氣，其導(dǎo)電性就迅速下降。2.There is a brighter future for intelligent devices in the home.庭智能裝置仍有著更加光明的前景。3.The scientists found that the blood vessels in the leg cannot swell.科

18、學(xué)家們發(fā)現(xiàn)腿內(nèi)的血管不會(huì)腫脹4.Once upon a time, bold claims were made about computers, the future and the “paperless office”.曾幾何時(shí)，有人就有關(guān)計(jì)算機(jī)、未來和“無紙化辦公”做過大膽的預(yù)測(cè)。5.The doctor advised against the use of the new treatment.醫(yī)生建議不要使用新的治療方法。6.If a good base cannot be found at a reasonable depth, then a so-called deep founda

19、tion must be provided.若在合理的深度內(nèi)找不到堅(jiān)實(shí)的地基層，那就要采用所謂的深基礎(chǔ)。7.Magnetic lines of force cannot be seen, but we know they exist by what they do.磁力線是看不見的，但是我們按照它們的作用即知它們的存在。8.We may process directly with Kirchoffs voltage law for the circuit.對(duì)于電路，我們可直接從克希荷夫電壓定律講起。9.The proper values of a and b are determined fr

20、om two conditions.a和b的值由兩個(gè)條件決定。10.Optional communications are free from electromagnetic interference.光電通信不受電磁的干擾。11.This type of discrepancy could have resulted from differences in kinetics.這種差異可能是由動(dòng)力的不同而造成的。12.The visual image of the letters making up the word is converted into its spoken equivalen

21、t.將組成詞的各字母的視覺形象轉(zhuǎn)換成該詞對(duì)應(yīng)的發(fā)音13.Primitive man made weapons, tools, and utensils of copper, brass, and bronze.原始人類用銅、黃銅和青銅制作成各種武器、工具和器皿。14.The longer wavelengths of radio signals pass through the atmosphere relatively undisturbed.相對(duì)來說，波長(zhǎng)較長(zhǎng)的射電訊號(hào)通過大氣時(shí)沒有受到干擾。15.Most hardness-testing systems employ a standar

22、d load which is applied to a ball or pyramid in contact with the material to be tested.多數(shù)的硬度實(shí)驗(yàn)系統(tǒng)使用一標(biāo)準(zhǔn)載荷加在與實(shí)驗(yàn)金屬相接觸的小球或棱錐上。16.All metals are corrodible under the proper circumstances.所有金屬在一定情況下都是可腐蝕的。17.The design of the rocket nozzle also has much to do with the behavior of the exhaust and the result

23、ing velocity of the vehicle itself.火箭噴管的設(shè)計(jì)與排氣的性能及飛行器本身的有效速度有很大關(guān)系。18.Peripheral milling operations are usually performed on milling machines with the spindle positioned horizontally; however, they can also be performed with end mills on vertical-spindle machines.周銑作業(yè)通常在帶有水平定位主軸的銑床上進(jìn)行，但也可以在帶有端面銑刀的主軸銑床

24、上進(jìn)行。19.Copper and aluminum are the best conductors of electric current only after silver.銅和鋁是僅次于銀的最好的導(dǎo)電體。20.From various experiments we cannot but think the theory still holds good.根據(jù)各種實(shí)驗(yàn)，我們不得不承認(rèn)這個(gè)理論依然是行之有效的。21.Hydrogen is generated from zinc and sulfuric acid.氫由鋅和硫酸所產(chǎn)生。22.The sort of fish cannot li

25、ve in the temperate zone, let alone in the frigid zone.這種魚不適合在溫帶生活，更不必說在寒帶了。23.The locomotive developed some new problems on its line-test.這臺(tái)機(jī)車在試運(yùn)行時(shí)出現(xiàn)了一些新問題。24.Gases can be chemisorbed or physically absorbed on solids.氣體能化學(xué)吸附或物理吸附在固體上。25.Under ideal conditions the fatigue failure will consist of a s

26、potting of the load-carrying surfaces.在理想條件下，疲勞失效將是承載表面的點(diǎn)蝕。26.Oxidation implies the combination of other elements with oxygen to form compounds.氧化意味著其他元素與氧形成化合物。第7章 總復(fù)習(xí)題1.Peripheral milling should generally not be done if the part can be ace milled.如果部件可以端銑，一般不應(yīng)進(jìn)行周銑。2.Face milling is done on both ho

27、rizontal and vertical milling machines.端銑在臥式和立式銑床上進(jìn)行。3.After fully relieving internal pressure,remove the nuts and bolts around flange joint of container.內(nèi)壓完全消除后，拆下容器法蘭盤四周螺母及螺栓。4.All gases at 0 are found to gain 1 part in 273 of their volume when heated to 1,so long as the pressure remains constant.

28、只要壓力保持不變，將0的任何氣體加熱到1，其體積就增加1/273.5.If a catalyst was used,the reaction would occur more quickly.如果我們使用了催化劑，反應(yīng)可以進(jìn)行得更快。6.Loss of water causes the wood to shrink and become muck stiffer and harder.失去水分使木材收縮，從而變得更堅(jiān)硬。7.A graph shows the relationship between two or more variables.曲線圖表示兩個(gè)或更多變量之間的關(guān)系。8.Elect

29、ricity is working everywhere,so everyone should know something about how it is generated and how it behaves.到處都用電在工作，所以每個(gè)人必須了解一些有關(guān)電是如何產(chǎn)生的以及電的性能。9.Applications vendors and users as well as the operating system developers will stand to benefit.應(yīng)用軟件供應(yīng)商、用戶以及操作系統(tǒng)開發(fā)者均可受益。10.The scientists look upon the ce

30、ll as both the structural and functional unit of all life.科學(xué)家們把細(xì)胞看作是整個(gè)生命的結(jié)構(gòu)單位和功能單位。11.The heat that warms a body does not change either the weight of the body or its inertia.使一物體變暖的熱，既不改變?cè)撐矬w的重量，也不改變其慣性。12.The diesel engine requires neither an ignition system nor a carburetor.柴油機(jī)既不需要點(diǎn)火系統(tǒng)，也不需要汽化器。13.A

31、s the atoms approach, the splitting between the energy levels will be increased.隨著原子的接近，能極之間的分裂將增加。14.An elastic material returns to its original shape after being forced out of that shape.彈性材料在受壓而改變其形狀之后會(huì)恢復(fù)原形。15.Strange as it may sound ,the heat of the sun can be utillzed to produce cold.聽起來雖然很奇怪，但

32、太陽的熱可用來制冷。16.Thus the decision to use a fixed wing was one that had to made before an airplane could fly satisfactorily.因此，首先必須決定使用固定機(jī)翼，然后才能造出令人滿意地進(jìn)行飛行的飛機(jī)。17.The filament cannot oxidize in these gases, as they don't contain oxygen.燈絲在這些氣體中不會(huì)氧化，因?yàn)檫@些氣體不含氧氣。18.Since radar waves differ in size from

33、light waves, they act in a different way.由于雷達(dá)波的尺寸和光波不同，所以作用也不同。19.Such engines are also called internal combustion engines, because the fuel is burned in the cylinder.這種發(fā)動(dòng)機(jī)也稱為內(nèi)燃機(jī)，因?yàn)槿剂显谄變?nèi)燃燒。20.A transformer is very useful device, even thought it can be used only with alternating current.變壓器是很有用的裝置，雖

34、然它只能用于交流電。 21. Outer ring shall be 30mm in diameter unless otherwise specified除非另有規(guī)定，外圈的直徑應(yīng)為30毫米。22. Dont trim windshield to final size until all mounting holes have been drilled在安裝孔全部鉆完之前，不要按最終尺寸修正防風(fēng)玻璃。23. Since there are different scales of temperature and different system of units,There are units

35、 of quantity of heat appropriate to these systems由于有各種不同的溫標(biāo)和不同的計(jì)量單位，所以有與這些計(jì)量單位相應(yīng)的熱量單位。24.Modern aircraft are so heavy that the wings must develop a very large lift force in order to sustain the aircraft.現(xiàn)代飛機(jī)如此之重，以致要支撐住飛機(jī)，機(jī)翼必須產(chǎn)生極大的升力。25.If all is satisfactory the load may be applied gradually till fu

36、ll load is reached如果一切情況良好，可逐漸加大載荷直至達(dá)到滿載。26.We dont know exactly what causes the earths magnetism.我們并不確定知道地磁現(xiàn)象是什么引起的。27.When weight is given ,the location and the corresponding acceleration due to gravity should also be specified.當(dāng)重量給定時(shí)，則該地點(diǎn)和相應(yīng)的重力加速度也就確定了28.Gas molecules emit light while moving at h

37、igh speed.氣體分子在高速運(yùn)動(dòng)時(shí)會(huì)發(fā)光。29.Why the conversion of heat to work is different from that of work to heat is an important topic.為什么熱能轉(zhuǎn)變?yōu)楣Σ煌诠δ苻D(zhuǎn)變?yōu)闊?，這是一個(gè)重要額題目。30.This explains why a gas always expands until it fills the vessel containing it.這就說明了為什么氣體總是要膨脹直到它充滿裝它的容器。第8章 總復(fù)習(xí)題1.The stator of the induction mo

38、tor is made up of a laminated silicon-steel core and a stator winding.感應(yīng)電動(dòng)機(jī)的定子由硅鋼片制成的鐵芯及定子繞組構(gòu)成。2.Since air has weight, it must press down on the surface of the earth.由于空氣具有重量，它必定對(duì)地球表面有壓力。3.Computer language is based on the binary system.計(jì)算機(jī)語言以二進(jìn)制為基礎(chǔ)。4.This electrical pressure acts much like water in

39、 a tank.這種電壓的作用很像是水箱中的水壓。5.The Spirotherm equipment gives the operator a good picture of the temperature distribution over the top of the burden.利用Spirotherm裝置，操作者可獲得一個(gè)較好的爐頂物料溫度分布圖。6.Again, the stainless steels do not have this second characteristic, but most metals do.另外，不銹鋼不具備這第二種特性，但大多數(shù)金屬都具備。7.Se

40、veral research groups are concentrating on finding new methods of delivering drugs to the body.幾個(gè)研究小組都在集中精力探索向人體釋放藥物的新方法。8.It is frequently advantageous to stake the surveying lines perpendicular to the known or presumed geological strike.（在做物探測(cè)量時(shí)）將側(cè)線垂直于已知的或者假定的地質(zhì)走向標(biāo)出，通常是比較有利的。9.It is impossible to

41、secure real economic and political independence of a country without developing its heavy industry.不發(fā)展重工業(yè)不可能確保一個(gè)國(guó)家經(jīng)濟(jì)和政治的真正獨(dú)立。10.It is necessary to have a very large heating surface within the boiler.鍋爐里面必須有很大的受熱面。11.According to Albert Einstein, it is possible to change mass and energy into each oth

42、er without a loss.根據(jù)愛因斯坦的觀點(diǎn)，質(zhì)量和能量可互相轉(zhuǎn)換而沒有任何損耗。12.In this way it is possible to make strong magnets.用這種方法可以制造出很強(qiáng)的磁鐵。13.Such a bearing is designed to provide lubrication to reduce friction.這樣的軸承用來提供潤(rùn)滑以減少摩擦。14.The hopper machine gives a substantial increase in loading rate as against the standard loade

43、r.與一般的裝載機(jī)相比，這種漏斗車可以大大提高裝載速度。15.The reduced pressure causes the inlet valve to open.壓力降低使得進(jìn)給閥門打開。16.Gases exhaled by volcanoes became the atmosphere of Venus, Earth, and Mars.火山噴出的氣體形成了金星、地球和火星的大氣層。17.The operation allows surplus energy to be used.這道工序可以使剩余的能量得到利用。18.We burn fuels in engines to make

44、them work.燃料在發(fā)動(dòng)機(jī)里燃燒以使機(jī)器工作。19.One of the objects of a well designed circuit is to avoid interference between components.設(shè)計(jì)良好的電路所要達(dá)到的目的之一便是避免元件之間的干擾。20.In one kind of transistor, there are three wires fastened to the crystal of germanium.有一種晶體管，在鍺晶體上面牢系著三根導(dǎo)線。21.In the United States the customary volta

45、ge for household use has become 110-120V since it was discovered that higher voltages could cause fatal accidents.美國(guó)通常的家用電壓是110-120伏，因?yàn)槿藗儼l(fā)現(xiàn)，更高的電壓會(huì)造成致命的事故。22.Plant height was highly correlated with maturity, indicating that population with short stems tends to be early in maturity.植株的高度與成熟期有密切的關(guān)系，這說明

46、矮稈群體往往會(huì)早熟。23.All other conditions being equal, we should first adjust the instrument to “zero”.其他條件相同的情況想，我們應(yīng)先把儀器調(diào)整到“零位”。24. As an illustration of this,we can consider the discovery of air-pressure.作為一個(gè)例子，我們可以考慮氣壓的發(fā)現(xiàn)。25.In the 1930s, it was found that the atom could be split, releasing huge quantiti

47、es of energy. 20世紀(jì)30年代人們就發(fā)現(xiàn)原子可以分裂并釋放出大量的能量。26.On the other hand, owing to the smaller furnace the gas utilization and thermal efficiency might become low.另一方面，由于爐子小了，氣體的利用率和熱效率可能要降低。27.An equipment failure or accident on the moon could have left the astronauts stranded.在月球上如果有一種設(shè)備失靈或出事會(huì)使宇航員們束手無策、進(jìn)退兩

48、難。28.In order to keep the instrument in a good state ready for use at any time, it should go through necessary calibration regularly.為確保儀器經(jīng)常處于良好的可使用狀態(tài)，平時(shí)必須定期對(duì)儀器進(jìn)行必要的檢測(cè)。29.If the rope should break, the pulley would fall down.一旦繩子斷了，滑輪就會(huì)掉下來。30.Sometimes it is desired that both the driver and the drive

49、n wheel rotate in the same direction.有時(shí)希望主動(dòng)輪和從動(dòng)輪都向同一方向轉(zhuǎn)動(dòng)。31.It will be appreciated that the necessity of providing a commutator with its carbon brushes complicates the construction of the motor.我們可以理解，必須給換向器裝備碳刷會(huì)使電動(dòng)機(jī)的結(jié)構(gòu)復(fù)雜化。32.An interesting machine has been made to replace workers for dangerous jobs

50、.已造出一種有趣的機(jī)器代替工人做危險(xiǎn)的工作。33.Ceramics have long been limited by their brittleness.易碎這個(gè)弱點(diǎn)長(zhǎng)期以來限制了陶瓷的發(fā)展。34.Investigators suspect that the virus was brought into the country through waste food.調(diào)查人員懷疑，食品垃圾把這種病毒帶入了該國(guó)。第9章 總復(fù)習(xí)題1.He ascribed this disagreement to the oversimplified model.他把這種不一致現(xiàn)象歸因于模型過于簡(jiǎn)單。2.Now

51、iron and steelmaking processes are now reexamined worldwide.現(xiàn)在世界范圍內(nèi)開始重新審視煉鐵和煉鋼工藝。3.This disease is responsive to treatment with drug.藥物治療這種病有良好的療效。4.Distilled water is needed in the laboratory in large quantities.實(shí)驗(yàn)室里需要大量的蒸餾水。5.Safety precautions should be observed at all times.任何時(shí)候都應(yīng)遵守安全預(yù)防措施。6.The

52、wing has a flat undersurface and a curved topsurface.機(jī)翼的下表面是平的，上表面是彎曲的。7.There exist many sources of energy, both potential and kinetic.勢(shì)能和動(dòng)能都有許多來源。8.In the sky, many planetary systems must be entirely lifeless.天空的許多行星系必定是無生命的。9.If the needle fails to remain at zero, readjust control No.1.若果指針不能保持在零

53、的位置上，應(yīng)重新調(diào)整一號(hào)控制器。10.The earth was not believed to be round but flat.人們?cè)?jīng)認(rèn)為地球是扁的而不是圓的。11.Not enough power can be got out of the single-stage socket to get the satellite up to where it should be.從單級(jí)火箭上不可能獲得足夠的功率把衛(wèi)星送到所需的位置。第10章 總復(fù)習(xí)題1.In the early days of the telegraph and the telephone, men observed tha

54、t signals sometimes jumped the space between wires running next to each other.在電報(bào)及電話發(fā)展的早期，人們注意到信號(hào)有時(shí)會(huì)跳過并行導(dǎo)線的空間。2.To understand both sides of the question, some background on how energy is obtained from a nuclear reaction must be studied.要理解這一問題的兩個(gè)方面，必須研究有關(guān)如何由核反應(yīng)獲得能量的一些基本情況。3.Voyagers photographs may

55、help explain how they (Neptunes rings) formed.旅行者號(hào)拍攝的照片也許有助于說明這些光環(huán)是怎樣形成的。4.If the water is heated, the particles move more quickly, which agrees with our theory.如果把水加熱，粒子運(yùn)動(dòng)就更快，這一現(xiàn)象是和我們的理論吻合的。5.Radiant heat waves pass through a vacuum, but may be absorbed by bodies whose temperature is thereby raised

56、.輻射熱波能通過真空，但能被一些物體所吸收，因而這些物體的溫度便升高了。6.And there was the possibility that a small electrical spark might accidentally bypass the most carefully planned circuit.而且總有這種可能性一個(gè)小小的電火花，可能會(huì)意外的繞過了最為精心設(shè)計(jì)的線路。7.People see things differently in the light of the fact that they are materialists and idealists.由于人們的觀

57、點(diǎn)有唯物、唯心之分，因而他們對(duì)事物的看法也就不同。8.There was evidence that all atoms consists of a nucleus and electrons.有證據(jù)表明，所有原子都由原子核和電子組成。9.Generally speaking, we do not use materials in the form in which they occur in nature.一般來說，我們并不用自然界中天然存在的那種形態(tài)的物質(zhì)。10.These motors are, as a rule, especially designed for the specific machines with which they are used.總的來說，這些電動(dòng)機(jī)是為使用它們的專門機(jī)器特