Database management
Database management

BackgroundSincethelate1960s,computersusedformanagementhavebecomelargerandlargerandmorewidelyused.Theamountofdatahasincreasedsharply.Atthesametime,multipleapplications,Therequirementsforsharingdatacoll...

Network Server
Network Server

WorkingmodeInastandardC/Smodecomputernetwork,thenetworkservercanworkintwodifferentmodes:iterativemodeandconcur-rentmode).Thecircularmethodisthatonlyoneserverprocesscanrunintheserveratatime.Whenmultipl...

Optic chiasm
Optic chiasm

AnatomicalstructureOpticalchiasm:Theopticchiasmbelongstothehypothalamusandislocatedontheundersideofthebrain.Thepartoftheopticchiasmthatstretchesforwardandoutwardiscalledtheopticnerve,whichconnectstoth...

Macro
Macro

IntroductionAmacroisagroupofcommandstogethertocompleteaspecifictaskasasinglecommand.ThedefinitionofmacroinMicrosoftWordis:"Macroisaseriesofwordcommandsthatcanbeorganizedtogetherandusedasanindependentc...

Frame Relay
Frame Relay

IntroductionFrameRelay(framerelay)isanewpublicdatanetworkcommunicationprotocolthatemergedin1992,anditbegantodeveloprapidlyin1994.Framerelayisaneffectivedatatransmissiontechnologythatcantransmitdigital...

abacus
abacus

IntroductionAlthoughwehaveenteredtheageofelectroniccomputers,lookingattheancientChineseabacus,wecan’thelpbutadmirethegreatwisdomofourancestors.Thegeneralabacusismostlymadeofwood(orplasticproducts).Ast...

Peer-to-peer network
Peer-to-peer network

Thesynonymp2p(P2Pnetworktransmission)generallyreferstoapeer-to-peernetwork(peer-to-peernetwork).NetworkcharacteristicsPeer-to-peernetworkisanetworkstructureidea.Anessentialdifferencebetweenitandthecur...

Vitamin A deficiency
Vitamin A deficiency

CausesVitaminAdeficiencycausedbyvariousreasons.Forexample,chronicdiarrhea,liverandgallbladderdisease,albuminreductionisnotenoughtotransportvitaminA,andseverewastingdiseasecausesexcessiveconsumptionofv...

Papermaking
Papermaking

DevelopmentandHistoryDuringtheWesternHanDynasty(206BC),Chinaalreadyhadpapermaking,andCaiLunimproveditinthefirstyearofYuanxing(105)intheEasternHanDynasty.Heusedbark,hemp,lint,fishnetandotherrawmaterial...

Random forest
Random forest

DefinitionInmachinelearning,randomforestisaclassifierthatcontainsmultipledecisiontrees,andtheoutputcategoriesareoutputbyindividualtreesDependingonthemodeofthecategory.LeoBreimanandAdeleCutlerdeveloped...

room
room

TexttraceabilityKnowingandpictophoneticcharacters."Room"oracleboneinscriptions(Figure1)havetheoutside"宀",whichlookslikeahouse.Theoriginalmeaningof"Room"intheancientChinesewordreferstothehousewherepeo...

British Isles
British Isles

BritishnicknamesThespecificmeaningandsourceofthistermarequitecontroversial.Thegenerallyagreedviewsareasfollows:1.ReferstothethreepartsoftheBritishIslesofGreatBritain,namely:England,ScotlandandWales.It...

Labor structure
Labor structure

IntroductionThecombinationoflaborinacountryorregion.Thisconceptiscloselyrelatedtotheconceptoflabor."Laborforce"usuallyhastwousages:①usageinastrictsense,thatis,laborcapacity.Itspersonalbearersarethelab...

Network interface layer
Network interface layer

IntroductionThenetworkinterfacelayerisnotactuallypartoftheInternetprotocolsuite,butitisamethodfordatapacketstobetransmittedfromthenetworklayerofonedevicetothenetworklayerofanotherdevice.Thisprocesscan...

National Archives of the People's Republic of China
National Archives of the People's Republic of China

Synonym,NationalArchivesAdministrationgenerallyreferstotheNationalArchivesAdministrationofthePeople'sRepublicofChina.>EstablishedinNovember1954,thebureauislocatedinFengshengHutong,Beijing.In1959,inacc...

Nerve endings
Nerve endings

BasicconceptsNerveendings(4photos)Thefiberterminalpartoftheperipheralnerveterminatesintheuniquestructureformedinothertissues,Callednerveending(nerveending).Accordingtotheirfunctions,nerveendingscanbed...

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