科技英语写作高级教程参考答案Word文件下载.docx

科技英语写作高级教程参考答案Word文件下载.docx

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）

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;

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.Theanswe