科技英语写作高级教程参考答案docxWord文档下载推荐.docx

科技英语写作高级教程参考答案docxWord文档下载推荐.docx

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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;

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.EmmetgraduatedfromHarvardUniversityin2001.

2.ProfessorLiearnedhisPh.D.degreeinmechanicalengineering

fromtheXi’an

UniversityofTechnologyin1988.

3.Nowweshallturntothediscussionoflocalareanetworks.

4.TheBainbridgemassspectrometerisasimportantaninstrumentastheoptical

spectrometer.

5.Howlongatime[或Howmuchtime]isrequiredtothisexperiment?

Thedensity

ofasubstanceisitsmassperunitvolume.

6.Anincreaseinpressurealwayscausesadecreaseinvolume.

7.Fig.（2-5）showswhatisexpressedbyEq.（2-2）.

8.Theunitofinductanceisthehenry.

III、

1.TheUASMAprotocolemploysauniqueframestructure.

2.Finally,abroadsteppedimpedancetransformerisdesignedbythismethod.

3.Dynamicanalysisandevaluationofthesecurityofaproactivesecretsharing

system

4.Theapproachcanbeappliedtotheone-dimensionalpotentialbarrierwithan

arbitraryprofile.

5.WeproposeanumericalmethodbasedonNewton’siterativemethod.

练习2

1.Thiscircuitconsistsofabattery,aninductorandacapacitor.

2.Computetheelectricfieldsatpointsa,b,andc.

3.ThissatelliteisusedforcommunicationsbetweentheUnitedStatesandGreatBritain,FranceandItaly.

4.Weassumethattheantennaisverticalandthatitslossiszero.

5.Chapters6,7,and8dealwithtransmissionlines.

121.Itserrorissixpartsin10.

2.Thiscomputerstoresfourtimesmoreinformationthanthatone（does）.

3.Thedemandforthiskindofequipmentinthenearfuturewillbe20timeswhatitis.

4.Thevoltageacrossthiscomponentisafewtenthsofavolt.

5.Nowitsinternalpressureisonesixteenthwhatitwas.

1.Thisobjectisoverfivetimesheavierthanthatoneis.

2.Unlessotherwisestated,itisassumedthatsilicontransistorsareusedandthatICBOcanbeneglected.

3.Thiscircuithastheadvantagesofsimplestructureandeasyadjustment.

4.Figs.1,2,and3showthisprocessindetail.

5.Forfurtherinformation,consultreferences[3,5,9].

练习3

1.Thisnewtypeofcomputerhasmanyadvantagesoverthegeneral

type.

2.Itisnotdifficulttosolvethisdifferentialequationforthe

unknownquantity.

3.Ofthesefivenewchapters,thefirstonedealswiththebasicprinciplesofnegativefeedback.

o4.Atthispoint/time,currentdiffersinphasefromvoltageby90.

5.Byanalyzing[Bytheanalysisof]theparametersoftheinstrument,wecan

understanditsperformance.

6.Wewillfindoutitsaveragevelocityoverthisdistance.

7.Thescienceofelectronicsistooimportantintheworldtoday.

8.Theysolvedthisproblemwithgreatdifficulty.

1.Forx,1,thereisnosolutiontothisequation[thisequationhasnosolution].

2.Upon[On]substituting[substitutionof]thesevaluesinto[in]

the

equation,weobtainedthefollowingexpression..

3.ThiscircuitissimilarinoperationtothatofFig.1-10.

4.Thiscomputerisverygoodinperformance.

5.Thesewavestravelonlyinonedirection.

1.Thispaperpresentsanewmethodfortherecognitionofradartargets.

2.TheinfluenceofthemovingstateofthetargetonthetrackingaccuracyoftheEKFisgreat.

th3.Anothercomsatwaslaunchedonthemorningofthe8ofOctober.

4.Voltageismeasuredinvolts.

5.TheywillleaveforBeijingtoattendaninternationalconferenceonmobilecommunication.

6.Unlessotherwisestated,itisassumedthatsilicontransistorsareusedandthatIcanbeneglected.CBO

7.

练习4

1.Theforceactsperpendiculartothesurfaceofthetable.

2.Thethreecoefficientshereremainstobedetermined.

3.Thetwoequationsbelowwillbeoften（frequently）usedinlaterchapters/inthe

chapterswhichfollow.

4.Hereweusetwometalballs10cmapart.

5.Theoutputremains/staysconstant/unchanged/fixed/unaltered/the

same.

6.Allthetextbooksavailablediscussthisproblem.

7.Accurateinoperationandhighinspeed,computershavefoundwideapplications.

8.Theanswertothisproblemlookscorrect.

9.Twoparallelwiresadistance（of）δapartcarrythecurrenti.

10.Theproblemnowishowtomeasurethevoltageacrossthiscomponent.

11.Thesedatawillbesenttothecomputingcenter2kilometers

away.

12.Uponrearrangingtheequationabove,wehave[get,obtain]the

followingexpression.

13.Thesechargescaninteractwithotherchargespresent.

14.Forcescanbetransmittedwithoutcontact,contrarytothecommonbelief.

15.Thiscoefficientistypically0.35.

1.Inthiscase,theinputdoesnotfall;

nor[neither]doestheoutput.[⋯;

theoutputdoesnotfall,either.]

2.Theresistanceofaconductordependsnotonlyonthematerialofwhichthe

conductorismade,butalsoonthesizeandtemperatureoftheconductor.

3.Thesescientistsareveryinterestedinthistopic.

4.Thisparametercanhardlybemeasured.

5.Inthislaboratory,thisinstrumentismoreexpensivethananyotherone/anyone

else.

6.Thefeaturesofthisdevicearesmallsizeandlightweight.

练习5

1.Thisequationcanbesolvedineitherofthefollowingtwoways/thetwoways

whichfollow.

2.Thisbaseballwillsooncometorestbecauseofitsinteractionwiththeground.

3.Ourchoiceofthiscoefficientas1iscorrect.

4.Fromitsdefinitionastheratioofaforcetoalength,wecanseethatkhasthe

sameunitaswork（does）.

5.Ouranalysisofthemachineisofgreatsignificance.

6.Thisfacilitatestheiruseincircuitanalysis.

1.Thispolicecarisequippedwithareceiverthesizeofamatchbox.

2.Wiresonehundredththediameterofasilkthreadareusedtoconnectthese

components.

3.Wemustwatercooltheseequipments/devices.

4.Inthepast,telephonecallswereoperatorconnected.

5.ACcanbechanged/turned/converted/transformed/translatedinto/to

DC,a

processcalled/knownas/referredtoasrectification.

6.Amagnetattractsironmaterials,afamiliarphenomenon.

7.Computersarecapableofprocessinginformation,aprocessthatpreviously

couldbeaccomplishedonlyinsideourheads.

8.Aninstrumentformeasuringcurrent,voltage,andresistance,the

multimeteris

widelyusedinelectricalengineering.

1.Secs.1.1and1.2willdiscussseveralotherproblems.

2.Problemsarelisted/givenonpp.1-5.

3.

Intheequationsabove,allh

’sarethehybridparameters.

4.

Themassofthestandardpoundisequalto0.4535924277kilograms.

5.

Alla’sandb’sinEq.（5

-1）arerelatedtotheimpedanceR.o

6.

Wemusttaketheeffectoftemperatureon[upon]semiconductors

into

account.

7.Inthiscase,thevariationofoutputwithinputisverysmall.

8.Thiscurveshowsthedependenceofdistanceon/uponspeed.IV、

1.Noneofthemcansolvethisspecialtypeofdifferentialequation.

2.Theydonotknowwhetherthismaterialcanstandsolargeaforceornot.

3.ThereareMpolygonsaltogether,eachofwhichhasNvertexes.

4.Thesetwoengineersarebusy（in）designinganewkindofsoftware.

5.Ironisalmostasgoodaconductorasaluminum.

练习6

1.Thisimage,itwillbenoticed,isarealimage.

2.Thistechnicalproblem,wehope,willbesolvedsoon.

103.2isapproximately1000,afactthatwethinkisveryusefulinthestudyofdigital

electronics.

4.Aresistorofsay100ohmsshouldbeusedhere.II、

1.Noneofthosetextbookshave/hasmentionedthispoint.

2.Allofthesexvaluescannotsatisfytheequation.

3.Neitherofthetwoconditionsissatisfiedhere.

4.Inthepreceding/previouschapter,wediscussedallkindsof

force.

5.Thispaperdescribesanewmethodfordesigningaircraft.

6.Bytheendofthelastcentury,thecompanyhadmanufactured5000radars.

7.Since2008,thisresearchinstitutehasbeendevelopingaspecial

kindofrobot.III、

1.InSection1-2,theconceptofforcewasintroduced.

2.Asearlyasthe1940s,itwasfoundthatsemiconductorsareveryuseful.

3.Thisresultcanalsobearrivedatinanotherway.

4.Atthattimenousewasmadeofthisphenomenon/

phenomenonwasmadenouseof.

5.Thispointwillbedealtwithinthenextsection.

⋯,this

IV、

1.Thiscomputerworksmuchbetterthanthatone（does）/Thiscomputerismuchbetter

inperformancethanthatone（is）..

2.Thiscomputerrequiresmanymorecomponentsthatthatone（does）.

3.Thedistanceofthemoonfromtheearthisasgreatas240000

miles.

4.Thegreatertheresistance,thelongertimeittakesforthe

capacitortoreachits

maximumvoltage/⋯,thelongertimeisrequiredforthecapacitortoreachitsmaximum

voltage.）

5.Thecurrentassmallas0.1Acannotproduceenoughheat.V、

1.Itiseasyforustodeterminetheweightofthebody.

determinethe

weightofthebodyeasily.

或:

Wecan

2.Thetwoengineersarebusy（in）designinganewtypeofcomputer.

3.Wefindthisconceptverydifficulttoexplain.

4.Noneofthesewindowscanwithstandsolargeaforce.

5.Wo