4000字英文论文Word格式文档下载.docx

4000字英文论文Word格式文档下载.docx

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Frommid-2022tothepresent,manylargeinternationalClothingBuyerstoshifttheirbusinessoutofSriLanka,intomorecheapmanufacturingdestination.Duringthistime,insevenprovincestoclose75factories,including24factoriesinthepast6monthstoclose.ThesurveywasconductedinFebruary2022,isaprivateadvisorybodyRoyDawsonconducted.

ThesurveyfoundthatmanyofthemajorSriLankanClothingForeignbuyersinthepastthreeyears,closedtheirofficesinSriLanka,theirmanufacturingorderstoothercountries.

ProcurementofficeinSriLankaApparelAssociationregisteredabout50majorinternationalapparelsourcingunits,12unitsinthepastthreeyears,closedtheirofficesinSriLanka.ThemajorshiftprocurementofficeinSingapore,IndiaandPakistan.ProductionmainlytoIndia,BangladeshandVietnam.

Sofar,about20foreignbuyersnolongerastableoperationinSriLanka.

AmajorreasonfortheirtransferbusinessinSriLankasproductioncostsarerelativelyhighandunstablesecuritysituationisalsoaPrint.Forexample,buyersfinditdifficulttodispatchtechnicalpersonneltolocalfactoriesforregularfactorymonitoring,whichisatthesecurityconcerns.

Thesurveyalsofoundthatthesevenprovincesintheinvestigationofthe75garmentfactoriesinmid-2022and2022,onlyinthepast6months,thereare24factoriesclosed.ThesefactoriesaremainlylocatedinKatunayake,Biyagama,KoggalaandSeethawakaPurathefreetradezone.SomefactoriesregisteredintheInvestmentAuthority,partoftheplantintheMinistryofIndustrialDevelopmentTextileOffice.Inaddition,thesegarmentfactoriesclosedduetoforeignexchangelossestocombatunemploymentandotherrelatedindustries.Thisincludesembroideryfactory,garmentswashingplants,manufacturingplantsfold,labelmanufacturingplant,silkmanufacturingunitsPlasticRackandthepolyethylenebagmanufacturingunits,transportserviceproviders,shippingagency,freightProxyAgencies,customsclearingtechnologicaltransformation,FoodProviders,sub-contractorstoprovideservices,suchasfabriccutting,ironingandpacking.

Thesurveyshowedthatin1980and2022,inSriLankahas650large,mediumandsmall-scalegarmentmanufacturingplant,toincreasethedirectemploymentof45millionpeople,10millionpeoplewithindirect

employment.However,since2022,theterminationofmulti-fiberagreementandtheendofexportquotas,SriLankasgarmentindustrystablecontraction.

ThisismainlyduetoSriLankasapparelmanufacturingwithotherAsiancountriescomparedtothehighercostofproduction.Thecurrentglobalrecessionhasalsohittheapparelindustryinthepast6months,increasethefrequencyofplantclosures.

Afterreadingthisarticle,peoplealsoread:

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Jul29

篇二：

论文用5000字中英文翻译

MCUDescription

SCMisalsoknownasmicro-controller（MicrocontrollerUnit）,commonlyusedlettersoftheacronymMCUthatitwasfirstusedinindustrialcontrol.OnlyasinglechipbytheCPUchipdevelopedfromadedicatedprocessor.ThefirstdesignisbyalargenumberofperipheralsandCPUonachipinthecomputersystem,smaller,moreeasilyintegratedintoacomplexanddemandingonthevolumecontroldevicewhich.INTELsZ80isthefirstdesignedinaccordancewiththisideaprocessor,thenonthedevelopmentofmicrocontrolleranddedicatedprocessorshavepartedways.

Are8-bitmicrocontrollerearlyor4bits.OneofthemostsuccessfulistheINTEL8031,forasimple,reliableandgoodperformancewasalotofpraise.Thendevelopedin8031outofMCS51MCUSystems.SCMsystemsbasedonthissystemuntilnowarestillwidelyused.Withtheincreasedrequirementsofindustrialcontrolfield,begana16-bitmicrocontroller,becausethecostisnotsatisfactorybuthavenotbeenverywidelyused.After90yearswiththegreatdevelopmentofconsumerelectronics,microcontrollertechnologyhasbeenahugeincrease.WithINTELi960series,especiallythelaterseriesofwidelyusedARM,32-bitmicrocontrollerquicklyreplacehigh-end16-bitMCUstatusandenterthemainstreammarket.Thetraditional8-bitmicrocontrollerperformanceshavebeentherapidincreasecapacityincreasecomparedto80thenumberoftimes.Currently,high-end32-bitmicrocontrollerclockedover300MHz,theperformancecatchingthemid-90sdedicatedprocessor,whiletheaveragemodelpricesfalltooneU.S.dollars;

themosthigh-endmodelonly10dollars.ModernSCMsystemsarenolongeronlyinthedevelopmentanduseofbaremetalenvironment,alargenumberofproprietaryembeddedoperatingsystemiswidelyusedinthefullrangeofSCM.Thehandheldcomputersandcellphonesasthecoreprocessingofhigh-endmicrocontrollercanevenuseadedicatedWindowsandLinuxoperatingsystems.

SCMismoresuitablethanthespecificprocessorusedinembeddedsystems,soitwasuptotheapplication.InfactthenumberofSCMistheworldslargestcomputer.Modernhumanlifeusedinalmosteverypieceofelectronicandmechanicalproductswillbeintegratedsinglechip.Phone,telephone,calculator,homeappliances,

electronictoys,handheldcomputersandcomputeraccessoriessuchasamousewitha1-2inboththeDepartmentofSCM.PersonalcomputerwillhavealargenumberofSCMinthework.Generalcarwithmorethan40SCM,complexindustrialcontrolsystemsmayevenhavehundredsofSCMinthesametimework!

SCMisnotonlyfarexceedsthenumberofPCandothercomputingthesum,orevenmorethanthenumberofhumanbeings

Singlechip,alsoknownassingle-chipmicrocontroller,itisnotcompleteacertainlogicchips,buttoacomputersystemintegratedintoachip.Equivalenttoamicro-computer,andcomputerthanjustthelackofamicrocontrollerI/Odevices.Generaltalk:

achipbecomesacomputer.Itssmallsize,lightweight,cheap,forthestudy,applicationanddevelopmentoffacilitiesprovided.Atthesametime,learningtousetheMCUistounderstandtheprincipleandstructureofthecomputerthebestchoice.SCMandthecomputerfunctionsinternallywithsimilarmodules,suchasCPU,memory,parallelbus,thesameeffectaswell,andharddiskmemorydevices,anddifferentisitsperformanceofthesecomponentswererelativelyweakmanyofourhomecomputer,butthepriceislow,usuallynotmorethan10yuanyoucandowithit......somecontrolforaclassisnotverycomplicatedelectricalworkisenoughof.Weareusingautomaticdrumwashingmachine,smokehood,VCDandsoonapplianceswhichcouldseeitsshadow!

......Itisprimarilyasacontrolsectionofthecorecomponents

Itisanonlinereal-timecontrolcomputer,control-lineisthatthesceneisneededisastrongeranti-jammingability,lowcost,andthisis,andoff-linecomputer（suchashomePC）,themaindifference.

Singlechip

MCUisthroughrunning,andcanbemodified.Throughdifferentprocedurestoachievedifferentfunctions,inparticularspecialuniquefeatures,thisisanotherdevicemucheffortneedstobedone,somegreateffortsareverydifficulttodo.Anotverycomplexfunctionsifthe50swiththeUnitedStatesdeveloped74series,orthe60sCD4000seriesofthesepurehardwarebuttoned,thenthecircuitmustbealargePCBboard!

ButiftheUnitedStatesifthe70swithaseriesofsuccessfulSCMmarket,the

resultwillbeadrasticchange!

Justbecauseyouarepreparedbymicrocomputerprogramscanachievehighintelligence,highefficiencyandhighreliability!

Asthemicrocontrolleronthecost-sensitive,sonowthedominantsoftwareorthelowestlevelassemblylanguage,whichisthelowestlevelinadditiontomorethanbinarymachinecodelanguage,andassolowwhyistheuse?

Manyhigh-levellanguagehasreachedthelevelofvisualprogrammingWhyisnotit?

ThereasonissimplythatthereisnohomecomputerasasinglechipCPU,notashardasamassstoragedevice.Avisualizationofsmallhigh-levellanguageprogramwhichevenifonlyonebutton,willreachtensofKofsize!

ForthehomePCsharddriveintermsofnothing,butintermsoftheMCUisnotacceptable.SCMintheutilizationofhardwareresourcestobeveryhighforthejobsoalthoughtheoriginalisstillinthecompilationofalotofuse.Thesametoken,ifthegiantcomputeroperatingsystemandapplicationsrunuptogethomePC,homePC,alsocannotaffordto.

Canbesaidthatthetwentiethcenturyacrossthethreepowerera,thatis,theageofelectricity,theelectronicageandhasenteredintothecomputerage.However,thiscomputer,usuallyreferstothepersonalcomputer,referredtoasPC.Itconsistsofthehost,keyboard,monitorandothercomponents.Anothertypeofcomputer,mostpeopledonotknowhow.Thiscomputeristogiveallkindsofintelligentmachinessinglechip（alsoknownasmicro-controller）.Asthenamesuggests,thiscomputersystemtookonlyaminimalintegratedcircuit,canbeasimpleoperationandcontrol.Becauseitissmall,usuallyhiddeninthechargedmechanicalstomachin.Itisinthedevice,likethehumanbrainplaysarole,itgoeswrong,thewholeplantwasparalyzed.Now,thismicrocontrollerhasaverybroadfieldofuse,suchassmartmeters,real-timeindustrialcontrol,communicationsequipment,navigationsystems,andhouseholdappliances.OnceallkindsofproductswereusingSCM,canservetoupgradetheeffectivenessofproducts,oftenintheproductnameprecededbytheadjective-intelligent,suchasintelligentwashingmachines.Nowsometechnicalpersonneloffactoriesorotheramateurelectronicsdeveloperstoengageinoutofcertainproducts,notthecircuitistoocomplicated,thatfunctionistoosimpleandcaneasilybecopied.Thereasonmaybestuckinthe