电类专业英语

Unit1ElectricalEngineeringPartASpeakingDialogue：A:Whatisyourmajor?B:Electricalautomation.A:Isitinteresting?B:Yes,Ilovemymajorverymuch.Weoftendoexperimentsinthelab，whichreallyattractsme.A:Whatcourseshaveyoulearned?B:Letmesee.Fundamentalsofelectricalengineering,principleandapplicationofsinglechipcomputer,automaticcontrolprinciple,principleandapplicationofprogrammablelogiccontroller,powerelectronicstechnology,electronictechnology,motoranddrag,projectdrawingandsoon.A:Oh,Ithinktheyaredifficultforme.Whichisyourfavoritesubject?B:Well,IthinkitisprincipleandapplicationofprogrammablelogiccontrollerwhichisusuallycalledPLCforshort,becausewecandotheexperimentswhilelisteningtotheteacher.Asyouknow,wedon’tlikethecrammingeducation.A:Ithinkso.Thetraditionalteachingmethodissoboring.NewWordsandKeyTerms:1 major['meidʒə]n.专业2 electrical[i'lektrikəl]adj.有关电的；电气科学的3 automation[,ɔ:tə'meiʃən]n.自动化4 fundamental[,fʌndə'mentəl]n.基础,基本原则5 principle['prinsəpl]n.原则,原理6 application[,æpli'keiʃən]n.实际应用；申请7 chip[tʃip]n.芯片8 singlechipcomputer单片机9 programmable['prəugræməbəl]adj.可编程序的10 logic['lɔdʒik]n.逻辑(学)11 controller[kən'trəulə]n.控制器12 power[pauə]n.功率；电源；力量13 electronics[,ilek'trɔniks]n.电子学14 electronic[,ilek'trɔnik]adj.电子的15 motor['məutə]n.发动机；汽车16 drag[dræɡ]v.n.拖；拖动17 cram[kræm]v.填鸭式地教1.Text1.1 MeasuringMeters1.1.1 NewWordsandKeyTerms NewWords1 precaution[pri'kɔ:ʃən]n.预防措施2 crude[kru:d]adj.天然的；简陋的,粗糙的3 depict[di'pikt]vt.描绘，雕出，描写，4 striveto[straiv]vi.努力奋斗;力求5 reflection[ri'flekʃən]n.映像,倒影；反映,表达；深思;回忆;考虑;看法6 reverse[ri'və:s]vt.&vi.(使)颠倒adj.相反的,颠倒的7 furnish['fə:niʃ]vt.陈设,布置；提供PartBReading KeyTerms

1 measure['meʒə]vt.&vi.测量2 meter['mi:tə]n.计,仪表3 voltage['vəultidʒ]n.电压4 voltmeter['vəult,mi:tə]n.伏特计5 ammeter['æmitə]n.电表6 ohmmeter['əum,mi:tə]n.欧姆表7 megohmmeter[megə'əum,mi:tə]n.兆欧表8 wattmeter['wɔtmi:tə]n.瓦特计9 current['kʌrənt]n.电流10 calibrate['kælə,breit]vt.校准；使标准化11 scale[skeil]n.刻度；比例(尺)；范围；等级12 maintenance['meintinəns]n.保养;维修13 polarity[pəu'læriti:,pə-]n.极性14 conductor[kən'dʌktə]n.导体15 circuit['sə:kit]n.电路16 positively['pɔzətivli]adv.正地17 negatively[,negətivli]adv.负地18 charge[tʃɑ:dʒ]vt.使充电n.电荷19 fuse[fju:z]v.熔化;融合n.保险丝20 component[kəm'pəunənt]n.成分，部件,元件21 inparallelwith['pærəlel]并联22 resistance[ri'zistəns]n.电阻23 electrician[ilek'triʃən]n.电工,电气专家24 range[reindʒ]n.量程25 switch[switʃ]n.开关26 align[ə'lain]vt.使成一线27 terminal['tə:minəl]n.终端；（电路的）端子，线接头28 inserieswith串联29 impedance[im'pi:dəns]n.阻抗30 powersupply电源31 digital['didʒitəl]adj.数字式的32 lead[li:d]n.导线33 malfunction[mæl'fʌŋkʃən]n.故障,障碍1.1.3ExercisesFillintheblanks.Thevoltagetesterisusedtocheckcommonvoltages,toidentify

,tocheckfor

,andtodistinguishbetween

.Becausevoltmetersareconnected

thecircuitorthecomponentbeingconsidered,itisnecessarythattheyhaverelatively

.Ammetersarealwaysconnected

thecircuitcomponentbeingconsidered.Theresistanceofthemetermustbeextremely

soitdoesnotrestricttheflowofcurrentthroughthecircuit.Itisveryimportanttobesurethatthecircuitorcomponentis

fromitsregularpowersourcebeforeconnectingtheohmmeter.1.2Microcontroller1.2.1NewWordsandKeyTermsNewWordsevolution[,i:və'lu:ʃən]n.演变;发展embed[im'bed]vt.把…嵌入,埋入appliance[ə'plaiəns]n.器具,装置monitor['mɔnitə]vt.监听,监视；监测graphical['ɡræfikəl]adj.绘画的cruise[kru:z]vi.乘船巡游；以快而平稳的速度长距离行驶antilock['æntilɔk]adj.（制动系统）防抱死的ignition[ig'niʃən]n.点火9.detect[di'tekt]vt.发现;发觉,查明10.bump[bʌmp]vt.&vi.撞倒;冲撞11.pat[pæt]vt.&vi.轻拍12.actuate['æktʃu:,eit]vt.开动,促使13.mimic['mimik]vt.模仿14.execute['eksikju:t]vt.执行15.via['vaiə]prep.通过(某人)16.block[blɔk]n.大块17.peripheral[pə'rifərəl]adj.周围的18.acronym['ækrə,nim]n.首字母缩略词19.phrase[freiz]n.短语,词组KeyTermsmicrocontroller[,maikrəkən'trəulə]n.微控制器microprocessor['maikrəʊ,prɔsesə]n.微处理机constraints[kən'streint]n.系统规定参数

mechatronic[,mekə'trɔnik]n.机电一体化memory['meməri]n.存储器

telecommunication['telikə,mjuni-'keiʃən]n.电信microwave['maikrə,weiv]n.微波panel['pænəl]n.控制板,仪表盘display[dis'plei]n.显示器vt.显示actuator['æktjueitə]

n.执行器sensor['sensə]n.传感器scan[skæn]vt.n.扫描interface['intəfeis]n.接口；界面14.converter[kən'və:tə]n.转换器15.firmware['fə:mwɛə]n.(计算机的)固件16.pin[pin]n.引脚17.parameter[pə'ræmitə]n.参数18.binary['bainəri:]adj.二进制的19.switch[switʃ]n.开关20.analog['ænə,lɔ:g]adj.模拟的21.transmit[trænz'mit]vt.&vi.发射22.protocol['prəʊtə,kəʊl]n.协议23.asynchronous[ei'siŋkrənəs]adj.异步的24.synchronous['siŋkrənəs]adj.同步的25.amplifier['æmplə]n.放大器

1.2.3ExercisesFillintheblanks.Microcontrollerisbasicallya

onasingleIC.Thecomponentsofamicrocontrollerincludethe___________,_____________,__________,__________,___________,__________,__________,_________.3.Microcontrollerclockspeedsarethanthoseusedformicrocomputers.1.3IntroductiontoPLC1.3.1NewWordsandKeyTermsNewWordsbeimmuneto不受影响的interference[,intə'fiərens]n.干扰prescribe[pri'skraib]v.规定,指定遵守compatible[kəm'pætəbl]adj.相容的alternative[ɔ:l'tə:nətiv]n.可供选择的事物scrap[skræp]vt.废弃,丢弃approach[ə'prəutʃ]v.接近，接洽corresponding[,kɔris'pɔndiŋ]adj.相符合的,相一致的sequentially[si'kwenʃəl]adv.按次序地boiler['bɔilə]n.锅炉,烧水器,水壶revise[ri'vaiz]vt.修订,修改KeyTermspushbuttonn.按钮analogy[ə'nælədʒi]n.模拟pulse[pʌls]n.脉冲encoder[in'kəudə]n.解码器level['levl]n.电平solenoid['səulinɔid]n.电磁线圈，螺线管relay['ri:lei]n.继电器servo['sə:vəu]n.伺服,伺服系统built-in[,bilt'in]adj.嵌入式的;内置的Proportional[prə'pɔ:ʃənəl]adj.成比例的;比例的Integral['intiɡrəl]n.积分Derivative[di'rivətiv]n.微分1.3.3ExercisesFillintheblanks.Aprogrammablelogiccontroller(PLC)isasolid-statedeviceusedtocontrolmachinemotionorprocessoperationbymeansofa

.PLCsareusuallyprogrammedwith________________.TheprocessorpartofthePLCcontainsacentralprocessingunitand__________.1.4Grounding,electricalinterferenceandelectricalsafety1.4.1NewWordsandKeyTermsNewWordsintegrity[in'teɡriti]n.完整confuse[kən'fju:z]vt.混淆cord[kɔ:d]n.(细)绳circumscribe['sɜ:kəm,skraib]vt.划定…范围；限定mitigate['mɪt,ɪgeɪt]vt.减轻,缓和shield[ʃi:ld]n.护罩vt.保护coaxial[kəu'æksəl]adj.同轴的neutral['nju:trəl]adj.中立的，不带电的rhythm['riðəm]n.节奏,韵律thorax['θɔ:r,æks]n.胸部tingle['tiŋgl]n.刺痛感vi.有刺痛感KeyTermassemble[ə'sembl]vt.装配,组合chassis['ʃæsi:,'tʃæsi:]n.(无线电的)机壳,底架frequency['fri:kwənsi]n.频率;波段magnetic[mæɡ'netik]adj.磁性的induce[in'dju:s]vt.引诱,感应electromagnetic[i,lektrəʊmæg'netik]adj.电磁的plane[plein]n.平面solder['sɔdə]v.(使)焊接,焊合optoisolator[,ɔptə'aisə,leitə]n.光电隔离器transformer[træns'fɔ:mə]n.变压器phototransistor[,fəutəutræn'zistə]n.光电晶体管capacitor[kə'pæsitə]n.电容器;电容prong[prɔ:ŋ,prɔŋ]n.插脚plug[plʌg]n.插头，插座adapter[ə'dæptə]n.适配器16.cable['keibl]n.电缆1.4.3ExercisesFillintheblanks.Onotherinstrumentsandcircuitsthatmaybeconnectedtothepowersupply,allinputandoutputvoltagesmustbereferencedtothesame

.Thechassisgroundisinternallyconnectedto

onthepowercordandmaynotbeconnectedtothesignalground(COM).Whenusinganddesigningelectricalsystems,

shouldalwaysbeaconcern.IntheUnitedStates,electricalcodesrequireoutletswiththreeterminals:

,

,and

.Currents

cancausetissueburning.

2PracticalReading1.5InstructionforanInstrument’sTrialRunning1.5.1NewWordsandKeyTermselectriferous[i,lek'trifərəs]adj.带电的,传电的breaker

['breikə]n.

断路器manual

['mænjuəl]n.手册,指南1.6ElectricControlSystemforSideScraperFeederOperationManual(Excerpt)1.6.1NewWordsandKeyTerms1inspection

[in'spekʃən]

n.检查,视察2specification

[,spesifi'keiʃən]

n.规格；规范；明细单；说明书3panel

['pænəl]n.控制板,仪表盘PartCListeningFixthecontrolcabinetonthebracket.Connecttheterminalsonthecontrolcabinetwiththoseoftheelectric__________bythecableasperelectricschematicdiagramandterminalwiringdiagramofcontrolcabinet.Connectthe__________powerwithL1,L2;L3,Nterminalonthecontrolcabinet.Whenthevalveisinthemiddle,pressontheONorOFFbuttontoinspectwhethertherotationdirectionofvalveaccordswiththebutton.Ifnot,pleaseexchangethe___________ofpowerofthemotor.Intheopeningandclosingcourseofvalve,inspectwhetherthe___________ofopeningdegreemeterisnormal.Whenthevalveistotallyopen,inspectwhethertheneedleofopeningdegreemeterindicatestothelimitscale.Ifthereiserror,adjustthepotentiometerof“fineadjustmentofopeningdegree”onthe________.Forthedetailsforcontrolofelectricvalveactuator,pleaseseethe_________instructionsofelectricvalveactuator.Unit2

ElectricalandMechanicalEngineeringPartASpeakingDialogue：Mr.Duisatechnicianwhoisinchargeofthelatheintheworkshop.LiMingishisstudent.LiMing:Excuseme,mayIaskyousomequestions,Mr.Du?Mr.Du:Ofcourse.Whatisit?LiMing:Doyouknowthestructureofthelathe?Mr.Du:Yes.Iknowsomeofthem.LiMing:What’sthis?Mr.Du:It’saheadstock.Sometimespeoplecallitastheheadofalathe.LiMing:What’sthisthen?Mr.Du:It’sachuckandawork-piececanbemountedonit.LiMing:Whatarethese?Mr.Du:Theyaretoolpostandcarriage.Thecuttingtoolsareputhere.LiMing:What’sthat?Mr.Du:It’satailstock.LiMing:What’sthat?Mr.Du:It’sabed.Theseareallthemainstructureofthelathe.Arethosecleartoyou?LiMing:Yes.Thankyouverymuch.Mr.Du:Delightedtohavebeenofassistance.NewWordsandKeyTerms:1lathe[leið]n.车床；机床vt.用车床加工2headstock['hedstɔk]n.主n.[机]主轴承3mainbearing轴箱4chuck[tʃʌk]n.卡盘5work-piece工件6mount[maunt]vt.安装7toolpost工具架8carriage[kæridʒ]n.溜板9tailstock['teilstɔk]]n.尾架10bed床身1.Text2.1MachineElements2.1.1 NewWordsandKeyTerms2.1.1.1 NewWords1 individual[,indi'vidjuəl]adj.单独的；独特的2 fundamental[,fʌndə'mentəl]adj.基本的;重要的3 evolve[i'vɔlv]v.发展；进化4 reliability[ri,laiə'biləti]n.可靠性5 estimate['estimeit]v.估计，估价，评价6 expectancy[ik'spektənsi]n.期望，期待7 thoroughly['θʌrəli]adv.彻底地，完全地8 standardize['stændədaiz]v.使标准化9 establish[i'stæbliʃ]vt.建立；安置；使固定10 uniformity[,ju:ni'fɔ:məti]n.均匀性；一致11 referto指的是，称为，涉及，关于PartBReading2.1.1.2 KeyTerms

1 component[kəm'pəunənt]n.组件；元件2 dismantle[dis'mæntl]vt.拆开；取消；解散3 nut[nʌt]n.螺母，螺帽4 spring[spriŋ]n.弹簧；弹力vt.使弹开5 gear[ɡiə]n.齿轮；装置，工具；传动装置6 cam[kæm]n.凸轮，偏心轮7 shaft[ʃæft]n.柱身；连杆；传动轴的旋转轴8 associate[ə'səuʃieit]v.联合，结合9 bolt[bəult]螺栓；插销10 key[ki:]n.键，电建，开关；楔，销；钥匙11 subassembly[,sʌbə'sembli]n.段；组件；局部装配12 bearing['bɛəriŋ]n.轴承13 coupling['kʌpliŋ]n.联轴器14 clutch[klʌtʃ]n.离合器，联轴器；夹紧装置15 wheel[hwi:l]n.轮子16 lever['li:və]n.杠杆，控制杆，操作杆17 hub[hʌb]n.轮毂；中心,中心所在18 rotate[rəu'teit]v.使旋转；旋转19 assemble[ə'sembl]v.安装；集合；n.组件20 pulley['puli]n.滑轮；皮带轮；滑车21 rivet['rivit]n.铆钉vt.铆接；固定22 weld[weld]v.焊接，熔焊23 dimension[di'menʃən]n.尺寸，尺度；范围，方面24 bushing['buʃiŋ]n.(=bush)衬套；轴衬；（绝缘）套管25 automotive[,ɔ:təu'məutiv]adj.自动26 crank[kræŋk]n.曲轴27 rod[rɔd]n.竿,杆,棒2.1.3ExercisesFillintheblanks.Ifamachineiscompletelydismantled,acollectionofsimplepartsremainssuchas

,_________,___________,______________,

andshafts.Themostcommonexampleofmachineelementsisa

,which,fundamentally,isacombinationofthe

andthe

toformatoothedwheel.Awheelmusthavea

onwhichitmayrotate.Thewheelisfastenedtotheshaftswith

.The

ofthemachineelementisthemostimportantconsiderationindesign.2.2HydraulicsandPneumatics2.2.1NewWordsandKeyTermsNewWordsinfrastructure['infrə,strʌktʃə]n.基础设施;基础结构dash[dæʃ]vi.冲;猛冲combustion[kəm'bʌstʃən]n.燃烧,烧毁corrosion[kə'rəʊʒən]n.腐蚀;受腐蚀的部位incompressibilityn.不可压缩性manifold['mænə,fəʊld]adj.多种多样的;有多种用途的inlet['inlet]n.进口,入口expel[iks'pel]vt.驱逐；排出9.spring[spriŋ]n.弹簧10.threshold['θreʃhəuld]n.门槛;〈喻〉开始11.cracking['krækiŋ]vi.发出轻微的爆裂声;发出噼啪声12.recirculate[ri'sə:kjuleit]v.再通行,再流通KeyTermshydraulics[hai'drɔ:liks]n.液压学pneumatics[nu:'mætiks]n.气动学electromechanical[i,lektrəumi'kænikəl]adj.机电的piston['pistən]n.〈机〉活塞valve[vælv]n.阀hose[həuz]n.软管,胶管linear['liniə]adj.线性的rotary['rəutəri]adj.旋转的,转动的induction[ɪn'dʌkʃən]n.(电或磁的)感应range[reindʒ]n.量程lubrication[ˌlu:brɪˈkeɪʃən]n.润滑;加油cylinder['silində]n.圆筒；汽缸resistance[ri'zistəns]n.电阻14.mesh[meʃ]n.网孔；网状物15.slot[slɔt]n.(机器或工具上的)狭缝,狭槽16.volumetric[vɔlju'metrik]adj.测定体积的17.vent[vent]n.(气体、液体等进出的)孔、口18.pressurized[ˈpreʃəraɪzd]adj.加压的19.tank[tæŋk]n.油[水]箱,罐

2.2.3ExercisesFillintheblanks.Ahydraulicsystemconsistsof

,_________,

,adistributionsystemandlinearorrotaryactuators.Thethreemaintypesofpositivedisplacementpumpsusedinhydraulicsystemsare

,

and

.

usecompressedairastheworkingfluidratherthanhydraulicliquid.Thereservoirisequippedwith

thatactivatesthecompressorwhenthepressurestartstofallbelowthedesiredlevel.2.3ElectricMotors2.3.1NewWordsandKeyTermsNewWordsubiquitous[ju:'bɪkwɪtəs]adj.无处不在的configuration[kən,fiɡju'reiʃən]n.构造laminate['læmə,neɪt]vt.将(金属)锻压成薄片permeability[,pə:miə'biliti]n.渗透性bristle['brisl]n.刷子毛flex[fleks]vt.屈曲,弯曲graphite['græf,aɪt]n.<化>石墨counterclockwise[,kaʊntə'klɔk,waɪz]adj.逆时针方向的slide[slaid]vt.&vi.滑动;滑行vi.滑落overlap[,əuvə'læp]vt.&vi.部分重叠trigger['triɡə]n.(枪)扳机vt.引发KeyTermselectricmotor电动机torque[tɔ:k]n.(尤指机器的)扭转力;转(力)矩magnetize['mægnɪ,taɪz]vt.使有磁性;使磁化；紧紧吸引,迷住pole[pəul]n.磁极,电极magnet['mæɡnit]n.磁铁,磁体coil[kɔil]n.(一)卷；线圈conduct[kən'dʌkt]vt.&vi.导电commutator['kɔmjuteitə]n.整流器spring-loaded['sprɪŋ'ləʊdɪd]弹簧支承;受弹簧力作用equation[i'kweiʃən]n.方程式,等式conductive[kən'dʌktiv]adj.传导的insulate['insjuleit]vt.使绝缘asynchronous[ei'siŋkrənəs]adj.异步的dissipation[,disi'peiʃn]n.损耗2.3.3ExercisesFillintheblanks.1

arebyfarthemostubiquitousoftheactuators,occurringinvirtuallyallelectromechanicalsystems.2The________isthepartofthemotorthatrotates.Itconsistsof

supportedbybearings,

usuallyreferredtoasthearmaturewindings,and

thatintensifiesthefieldscreatedbythewindings.3Torqueisproducedby

throughtheinteractionofeitherstatorfieldsand

orstatorfieldsand

.4TheprinciplesofoperationofACmotorsaresimilarregardinginteractionofthemagneticfields,but

isnotrequired.2.4MechatronicsandAutomaticControlSystem2.4.1NewWordsandKeyTermsNewWordssurge[sə:dʒ]vi.(人群等)蜂拥而出；(波涛等)汹涌,奔腾abyss[əˈbɪs]

n.深渊dizzy['dizi]adj.头昏眼花的,眩晕的retain[ri'tein]vt.保持;保留discipline['dɪsəplɪn]

n.纪律；训练；惩戒；学科vt.训练；使有纪律territory['teritəri]n.(行动,知识等的)领域,范围；区域(尤指商业推销区)assess[ə'ses]vt.估价,估计；评定,核定ironicallyadv.具有讽刺意味地simultaneously[saɪməlˈteɪnɪəslɪ]adv.同时地contemporary[kən'tempərəri]adj.当代的spawn[spɔ:n]vt.引发practitioner[præk'tiʃənə]n.实习者；从业者(尤指医师)subsume[səb'su:m]vt.归入,包括denote[di'nəut]vt.为…的符号;为…的名称interdisciplinary[,intə(:)'disiplinəri]adj.各学科间的integration[,ɪntɪ'greɪʃən]n.结合;整合;一体化elusive[ɪ'lu:sɪv]adj.难以捉摸的simulate['simjuleit]vt.假装；模仿compartmentalize[kəm,pɑ:t'mentəlaiz]vt.划分intimidate[in'timideit]vt.恐吓,威胁encompass[en'kʌmpəs]vt.围绕;包围myriad['miriəd]adj.无数的n.无数,极大数量boundless['baundlis]adj.无限的；无边无际的uniform['ju:nifɔ:m]adj.统一的repetitious[,repi'tiʃəs]adj.重复的；唠唠叨叨的routine[ru:'ti:n]adj.日常的；例行的concentrateon集中精力于；全神贯注于KeyTermmechatronics机电一体化semiconductor[,semikən'dʌktə]n.〈物〉半导体opensystem开环系统closedsystem闭环系统function['fʌŋkʃən]n.函数feedback['fi:dbæk]n.反馈；回复；成果，资料operator['ɔpəreitə]n.操作员technician[tek'niʃən]n.实验员；技巧纯熟的人2.4.3ExercisesFillintheblanks.1Thefunctionofmechatronicproductsreliesontheintegrationof

and

componentscoordinatedbya

controlarchitecture.2Mechatronicsystemsaresometimesreferredtoas

.3Increasingly,

areembeddedinelectromechanicaldevices,creatingmuchmoreflexibilityandcontrolpossibilitiesinsystemdesign.4Thereare

typesofautomaticcontrolsystemswhichare

.5Inthe

system,theinputoftheprocessissomefunctionoftheoutput.2PracticalReading2.5EmploymentAdvertisement2.5.1NewWordsandKeyTerms1procedure[prə'si:dʒə]n.程序,步骤；手续2inspection[ɪnˈspekʃən]

n.检查3diagnosis

[,daiəɡ'nəusis]n．诊断2.6MotorInspection,InstallationandTest2.6.1NewWordsandKeyTerms1installation[,ɪnstə'leiʃən]n.安装2nameplate['neɪm,pleɪt]n.名称牌PartCListeningNumberTechnicalTroublesPossibleReasonsSolutions1High

1ofmeasuringinstrument1.Discrepancybetweenthermocoupleandgraduationofmeasuringinstrument2.Discrepancybetween

2andthermocouplegraduation1.Replacethermocoupleandcompensationalwire2.Replacewithcompensationalwireofthesame32Instabilityofdisplayvalueofmeasuringinstrument1.Poorconnectionbetweenelectrodeand4

2.Discrepancybetweencompensationalwireandthermocouplegraduation1.Repairpoorconnectionorreplacewithnewcompensationalwire2.Replace5andcompensationalwire3___6___changeDamageofArmoredThermocoupleReplacewithnewarmoredthermocoupleCompletethetablebelow.Unit3ElectronicTechnologyPartASpeakingDialogue：Jim：Isthisthefirsttimeforyoutovisitourfactory?Bob：Yes,itis.Jim：CouldIshowyouaround?Bob:It’sgreat!Oh,What’sthis?It’ssolong!Jim：ItisourSMTproductionline.Bob:What’sit?Itsoundsdifficult.Jim：SMTistheabbreviationofsurfacemounttechnology.Bob:Oh,Isee.Thenwhat’sthisequipment?Jim:Thisiswavesolderingequipment.Bob:What’sthefunctionofit?Jim:Wavingsolderingisthemostwidelyusedmethodforsolderingthrough-holecomponents.Bob:Thankyouforyouraccompany.Thevisitgivesmeaverygoodunderstandingabouttherangeofyourproducts.Jim:Youarewelcome.Iwishourcooperationinthefuture.NewWordsandKeyTerms:1productline生产线2

equipment[ɪ'kwɪpmənt]n.设备3

component[kəm'ponənt]n.元件4

through-hole通孔5

surface['sɝfɪs]n.表面6

mount[maunt]n.装置7

cooperation[kəu,ɔpə'reiʃən]n.合作、协作1.Text3.1ElectronicComponents3.1.1 NewWordsandKeyTerms3.1.1.1 NewWords1.repel[rɪ'pɛl]vt.阻止2.unimpeded[,ʌnɪm'pidɪd]adj.无阻碍的3.repulsion[rɪ'pʌlʃən]n.排斥4.attraction[ə'trækʃən]n.吸引5.superimposed[,supərɪm'poz]adj.双重的6.intensity[ɪn'tɛnsətɪ]n.强度7.conjunction[ɪn'tɛnsətɪ]n.连接PartBReading3.1.1.2 KeyTerms

1.vacuumtube['vækjuəm][tjub]真空管2.cathode['kæθod]n.阴极3.anode['ænod]n.阳极4.alternatingvoltage['ɔltɚnɪt]交流电压6.diode['daɪod]n.二极管7.rectifiertube['rɛktə,faɪɚ]整流管8.amplifier['æmplə,faɪr]n.放大器9.semiconductor[,sɛmɪkən'dʌktɚ]n.半导体10.silicon['sɪlɪkən]n.硅11.germanium[dʒɝ'menɪəm]n.锗12.bipolartransistor[baɪ'polɚ]双极型晶体管13.reversebias[rɪ'vɝs]反向偏置14.fieldeffecttransistor（FET）场效应管15.conductingmaterial导电材料16.conductivity[,kɑndʌk'tɪvətɪ]n.电阻率17.wind[waɪnd]n.缠绕18.coil[kɔɪl]n.线圈3.1.3ExercisesTrueorFalse1.Activeelementsneversupplymoreenergythantheyabsorb.2.Amplificationofcurrentisaccomplishedinamannersimilartothegridcontrolofavacuumtube.3.Whenalackoffreeelectronsexists,thesemiconductoriscalledn-type.4.Capacitors,inductorsandtransistorsareallpassivecomponents.5.Asacapacitor,aninductorcanbeusedtodistinguishbetweenrapidlyandslowlychangingsignals.3.2Electronics3.2.1NewWordsandKeyTermsNewWords1subsequent['sʌbsikwənt]adj.后来的2transmission[træns'mɪʃən]n.传输3reception[rɪ'sɛpʃən]n.接收4storage['storɪdʒ]n.存储5material[mə'tɪrɪəl]n.材料6capable['kepəbl]adj.能够(做)...的[(+of)]7unilateral[,junɪ'lætərəl]adj.单一的;单方面的8characteristic[,kærəktə'rɪstɪk]n.特征,特色9communication[kə,mjunə'keʃən]n.通信10incorporating[ɪn'kɔrpə,ret]vt.结合11amplification[,æmpləfə'keʃən]n.放大12manufacture[,mænjə'fæktʃə]vt.(大量)制造13relatively['rɛlətɪvlɪ]adv.相对地14multiple['mʌltəpl]adj.由许多部分组成的15giant['dʒaɪənt]adj.巨大的16previously['priviəslɪ]adv.事先;以前KeyTerms1semiconductor[,semikən'dʌktə]n.半导体2transistor[træn'zistə]n.晶体管，三极管3vacuumtube['vækjuəm]n.真空管4consumption[kən'sʌmpʃən]n.功耗5LSI=Large-scaleintegration大规模集成电路6radioreceiver无线接收机；收音机

3.2.3ExercisesFillintheblanks.1.Theinformationcanconsistofvoiceormusicina

,apictureonatelevisionscreen,ornumbersandotherdatainacomputer.2.ThomasEdisondiscoveredthe

aspartofhisresearchonmaterialsforapracticalelectriclight.3.Incorporatinganarrangementof

materialsandelectricalcontacts4.Thefirst

wasinventedin1959byTexasInstruments.5.Earlycomputers

manyofthesesmallerICsconnectedtogetheroncircuitboards.3.3GenericProcessOverviewforaPlated-throughHolePrintedCircuit3.3.1NewWordsandKeyTermsNewWords1generic[dʒi'nerik]adj.通用的2stacking['stækɪŋ]n.堆叠3pinning['piniŋ]n.固定4smear[smɪə]n.污物、残留物5inevitably[ɪn'ɛvɪtəbli]adv.无法避免地6utilize['jutəlaɪz]vt.使用、利用7subsequent['sʌbsɪkwənt]adj.接下来的、随后的8strip[strɪp]v.剥去、清除KeyTerms1drilling['drɪlɪŋ]n.钻孔2laminate

['læmɪneɪt]n.层压板3alignment

[ə'laɪnmənt]n.定位4metallization

[,mɛtəlɪ'zeʃən]n.金属化5sulfuricacid

[sʌl'fjʊərɪk]['æsid]n.硫酸6chromicacid

['krəʊmɪk]n.铬酸7alkaline

['ælkəlaɪn]adj.碱性的8permanganate

[pə'mæŋgəneɪt]n.高锰酸盐9plasma['plæzmə]n.等离子体10polyphenyleneoxide

[pɔli'fi:nili:n]['ɔksaɪd]n.聚苯醚11epoxyresins

[ɪ'pɔksɪ]['rezɪn]n.环氧树脂12copper

['kɔpə]

vt.镀铜13graphite['græfaɪt]

n.石墨14polymer

['pɔlɪmə]n.高分子15electroplating

[ɪ'lektrəʊ,pleɪtɪŋ]n.电镀16etching

['etʃɪŋ]

v.蚀刻17soldermask

[mɑːsk]n.阻焊层3.3.3ExercisesMatchtheitemslistedinthefollowingtwocolumns1numericallycontrolleddrillmachinesA阻焊层2soldermaskB化学镀铜3polyphenyleneoxideC数控钻床4electrolesscopperD炭黑5carbonblack

E聚苯醚3.4ElectronicPackaging3.4.1NewWordsandKeyTermsNewWords1

nervous['nɝvəs]adj.神经的2

skeletal['skɛlətəl]adj.骨骼的3

interconnect[,ɪntɚkə'nɛkt]v.互连4

circulatory['sɝkjələ,torɪ]adj.循环的5

precisely[prɪ'saɪslɪ]adv.精确地6

illustrated['ɪləstret]v.阐述7

hazard['hæzɚd]n.危害8

dissipation[,dɪsə'peʃən]n.消散9

minimum['mɪnəməm]n.最低10

external[ɪk'stɝnəl]adj.外部的11

structural['strʌktʃərəl]adj.构造的12

transmission[træns'mɪʃən]n.传输13

complex['kɑmplɛks]adj.复杂的14

comprise[kəm'praɪz]

vt.

包含15

summarized['sʌmə,raɪz]v.总结，所示16

plastic['plæstɪk]n.塑料17

ceramic[sə'ræmɪk]adj.陶瓷的18

cabinet['kæbənɪt]adj.框架的KeyTerm1

packing['pækɪŋ]n.封装2

photodiode['foto,dɪ,od]n.发光二级管3

hierarchy['haɪə,rɑrkɪ]n.分层4

enclosure[ɪn'kloʒɚ]n.封入5

cabling['keblɪŋ]n.电缆布线6

circuitry['sɝkɪtrɪ]n.电路3.4.3ExercisesFillintheblanks.1.Electronicproductshave“brains”ormicroprocessors,andtheirpackingprovidesthe“

”and“

”systems.2.Integratedcircuitsconstitutetheheartofanelectronicsystem,

muchmorethanpackagedICs.3.Thepackagedchip,consistingoftheICina

or

enclosureandconnectedtothepackageleads4.TheassembledPCBsare,

,connectedtoachassisorotherframework5.Theforthlevelofpackagingconsistsofwiringand

insidethe

thatcontainstheelectronicsystem.2PracticalReading3.5SMTEquipment3.5.1NewWordsandKeyTerms1laboratory['læbrə,torɪ]n.实验室,研究室2alignment[ə'laɪnmənt]n.对准,校准3flexibility[,flɛksə'bɪlətɪ]n.灵活4insertion[ɪn'sɝʃən]n.插入;嵌入5configuration[kən,fɪgjə'reʃən]n.配置6accuracy['ækjərəsɪ]n.精确7fabricate['fæbrɪ,ket]

vt.制作;8versatile['vɝsətl]adj.多方面适用的9optimum['ɑptəməm]adj.最理想的,最佳10yield[jild]n.收益11geometry[dʒɪ'ɑmətrɪ]n.几何形状3.5.3Exercises1Ingeneral,placementmachineofferbetter

,

,and

thanthrough-holeinsertionmachinesorotherearliergenerationplacementsystem.2Themostwidelyusedreflowprocessesare

and

.3Inmostcommercialapplications,water

,

pastesandfluxesareused.4Thedevelopmentof

solderprofileisimportantforbestresults5Therearetwomaintypeofautomatedinspectionequipmentonthemarket:X-rayand

.3.6IntroductiontoProtel99SE3.6.1NewWordsandKeyTerms1schematic

[ski'mætɪk]

n.原理图2alongside

[ə'lɔŋ'saɪd]

prep.在……旁边3rest