Thesynonymousmaglevtraingenerallyreferstothemaglevtrain.DevelopmentstatusThecountriesthathaveconductedresearchonmaglevtrainsintheworldaremainlyGermany,Japan,theUnitedKingdom,Canada,theUnitedStates,the...

>Opensourcesoftwareismainlydevelopedbyateamofprogrammersscatteredallovertheworld,butatthesametimesomeuniversities,governmentagencycontractors,associationsandcommercialcompaniesalsodevelopit.Opensource...

CourseAccordingtoresearch,thetermadvertisementisaforeignlanguage.ItfirstoriginatedfromtheLatinwordadvertisere,whichmeansattention,inducementandspread.IntheMiddleEnglishera(approximately1300-1475AD),it...

Interpretation[形]isdetailedandaccurate.ExampleInformativematerials|InformativeandcrediblenarrativeZhuZiqing's"Government'sMassacre":"Whatwaspublishedinthe"BeijingNews"onthe19thTherepor...

IntroductionIn1967,IBMlaunchedtheworld'sfirstfloppydiskwithadiameterof32inches.Fouryearslater,IBMintroducedaplasticdiskwithadiameterof8inchesandcoatedwithmetaloxide.TheinventorwasAlanShugart(laterleav...

IntroductionMicrosoftdividesWindowssystemresources(heaps)intofiveheaps,amongwhichtherearethreeUserresourceheapsandtwoGDIresourceheaps.ThethreeUserresourceheapsare:16-bitUserHeap(64KB);32-bitWindowsHea...

OrganizationIntroductionNorthAtlanticTreatyOrganization(NATO:NorthAtlanticTreatyOrganization;FrenchOTAN:l'OrganisationduTraitédel'AtlantiqueNord),referredtoasNATOorNATO,isAninternationalmilitarygroupo...

PurposeThepurposeofintegrityistoprotecttheintegrityofdataandtheintegrityofdata-relatedattributesthatmaybecompromisedindifferentwaysbypreventingthreatsordetectingthreats.Manyopensystemapplicationshaves...

RealizationoffunctionsMainlybasedonteachingneeds,withthepurposeofprovidingvariouscontentsanddifferentformsofdigitalproducts.Thecontentofthesedigitalproductscanbeusedforclassroomteachingthroughintuitiv...

CharacterrelationshipErrorCorrectionCloseErrorCorrectionStudentAlexandertheGreatAnerror30529hasbeenreportedPersonalExperienceIn384BC,AristotlewasborninStakirainThrace.ThecityisacolonyofGreece,adjacent...

EnglishHemoglobinmoleculeIntroductionThehemoglobinmoleculeisamolecularmachinewithextremelyhighworkingefficiency.ItusesmotionandsmallstructuresChangetoadjustitsbehavior.Thecombinationofoxygenandhemoglo...

IntroductionThisbooksystematicallyintroducesthefoundationofcomputersoftware,hardwareandprogramming.Themaincontentincludes:computersystemoverview,basicconceptsofoperatingsystemsandthemanagementofsoftwa...

PhysicalmodelWeknowthatthesoundpartofaspeakerisaspeaker,butwhyuseaspeakerinsteadoflisteningdirectlytothespeaker?Thepurposeofthespeakerboxismainlytopreventthesoundwavesignalsonthefrontandbackofthespeak...

OriginsInformationretrievaloriginatedfromthereferenceandabstractindexingworkoflibraries.Itfirstbegantodevelopinthesecondhalfofthe19thcentury.Bythe1940s,indexingandretrievalhadbecomebooks.Library’sinde...

Transmissionmethod1.Spacedivisionmultiplexing(SDM)SDMisacommunicationmethodthatusesoneopticalfiberineachdirectionoftwo-waycommunication,theso-calledSimplexmode.IntheSDMmode,thesignalsinthetwodirection...