数据结构外文翻译.docx
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数据结构外文翻译.docx
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数据结构外文翻译
数据结构外文翻译
外文翻译原文
Computerprogrammingdatastructureisanimportanttheoreticalbasisforthedesign,itisnotonlythecorecurriculumofcomputerdisciplines,andhasbecomeapopularelectivecourseotherPolytechnicprofessional,sostudiedthiscoursewellandstudiedcomputerarecloselyrelated.
一、theconceptofdatastructure
Computerdatastructureisthefoundationofscienceandtechnologyprofessionalclasses,istheessentialcorecurriculum.Allcomputersystemsoftwareandapplicationsoftwaretousevarioustypesofdatastructures.Therefore,ifwewanttomakebetteruseofcomputerstosolvepracticalproblems,onlytoseveralcomputerprogramminglanguagesaredifficulttocopewiththemanycomplexissues.Totheeffectiveuseofcomputers,givefullplaytocomputerperformance,butalsomustlearnandmasterrelevantknowledgeofdatastructure.Asolidfoundationof"datastructure"forlearningothercomputerprofessionalcourses,suchasoperatingsystems,translationtheory,databasemanagementsystems,softwareengineering,artificialintelligence,etc.areveryuseful.
二、whyshouldlearnfromdatastructure?
Intheearlydevelopmentofcomputers,theuseofcomputerdesignedprimarilytodealwithterms.Whenweusethecomputertosolveaspecificproblem,thefollowinggeneralneedsthroughseveralsteps:
thefirstisaspecificproblemofappropriateabstractmathematicalmodels,andthendesignorchooseamathematicalmodelofthealgorithm,thefinalproceduresfordebugging,testing,untiltheyhavetheultimateanswer.
SincethentheobjectisINTEGER,REAL,BOOLEAN,theproceduresofthemaindesignersofenergyisfocusedonprogrammingskills,withoutattentiontothedatastructure.Withtheexpansionofcomputerapplicationsanddevelopmentofsoftwareandhardware,theissueofnon-termsincreasingimportance.Accordingtostatistics,Nowdealingwiththeissueofnon-occupancyofmorethan90%ofthemachinetime.Suchissuesinvolvemorecomplexdatastructure,therelationshipsbetweendataelementsgenerallycannotbedescribedbymathematicalformula.Therefore,thekeytosolvingsuchproblemsisnolongermathematicalanalysisandcalculations,buttodeviseappropriatedatastructure,caneffectivelyaddresstheproblem.
Descriptionofthetermsofsuchnon-mathematicalmodelisnotamathematicalequation,butsuchastables,trees,suchasmapdatastructure.Therefore,itcanbesaidthatdatastructurecoursesprimarilydesignedtostudytheissueofnon-valuecalculationproceduresasacomputeroperationsandtherelationshipbetweenobjectsandtheiroperatingdisciplines.
Thepurposeofthestudyistounderstandthestructureofdataforcomputerprocessingoftheidentityobjecttothepracticalproblemsinvolvedindealingwiththatsubjectatthecomputeroutanddealwiththem.Atthesametime,throughtrainingalgorithmstoimprovethethinkingabilityofstudentsthroughproceduresdesignedtopromotestudentskillsintegratedapplicationsandprofessionalqualities.
三、theconceptsandterminology
Systematicstudyofknowledgeinthedatastructurebeforesomeofthebasicconceptsandterminologytogiveaprecisemeaning.
Data(Data)istheinformationcarrier,itcouldbecomputeridentification,storageandprocessing.Itisthecomputerprocessingofrawmaterials,avarietyofdataprocessingapplications.Computerscience,computerprocessingistheso-calleddataobjects,whichcanbenumericaldatacanbenon-numericaldata.Numericaldataareinteger,theactualnumberorplural,mainlyforengineeringcomputing,scientificcomputingandcommercialprocessing;Non-numericaldata,includingcharacters,text,graphics,images,voiceandsoon.
Dataelements(DataElement)isthebasicunitofdata.Indifferentconditions,dataelementscanbecalledelements,nodes,thepeak,recording.Forexample,studentsinformationretrievalsystemtableinformation,arecordhigh,8Queen'sissueofastatetree,teachingprogrammingissuessuchasapeak,knownasadataelement.Sometimes,adatafromanumberofdataelements(DataItem),forexample,thestudentinformationmanagementsystemstudentseachdataelementtableisastudentrecord.Itincludesstudentsoftheschool,name,sex,nationality,dateofbirth,performancedataitems.Thesedataitemscanbedividedintotwotypes:
onecalledearlysuchasstudentgender,origin,etc.,thesedatawerenolongerdividedindataprocessing,thesmallestunits;Anothercalledportfolio,theperformanceofstudentswho,itcanbedividedintomathematics,physics,chemistryandothersmalleritems.Normally,inaddressingthequestionofthepracticalapplicationofeachstudentisrecordedasabasicunitforavisitandtreatment.
Dataobjects(DataObject)ordataelementtype(DataElementClass)isthenatureofthedataelementswiththesame
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