Home Technique
Current user name
Current user name

IntroductionUserID(useridentifier,UserIDorUID),thefullnameuseridentifier,inUNIX-likesystems,isanunsignedintegervalueusedbythekerneltoidentifyusers,anditisalsooneofthenecessarycomponentsoftheUNIXfilesy...

Open system interconnection
Open system interconnection

ThesynonymOSI(OpenSystemInterconnection)generallyreferstoopensysteminterconnection.OSImodelThemostimportantthinginlearningtheOSImodeliswhatitactuallymeans.Ifyouareanoperatingsystemonthenetwork.Thenetw...

system software
system software

BasicconceptsVariousapplicationsoftware,althoughthecompletedtasksaredifferent,theyallneedsomecommonbasicoperations,suchasobtainingdatafrominputdevicesandsendingdatatooutputdevices.Senddata,writedatato...

Electric hammer
Electric hammer

IntroductiontotheelectrichammerTheelectrichammerisawidelyusedelectrictool.Theelectrichammerisbasedonanelectricdrill,addingapistonwithacrankshaftconnectingroddrivenbyanelectricmotor,andreciprocatingcom...

Infinitely variable speed
Infinitely variable speed

BasicmeaningCVTmeanscontinuouslyvariabletransmission,itsEnglishnameisContinuouslyVariableTransmission,orCVTforshort.ItwastheDutchwhoinventedthiskindofvariablespeedtransmissionmechanism,andthetransmiss...

Electric locomotive
Electric locomotive

PrincipleElectriclocomotivesobtainelectricenergyfromthecontactnet,andtheelectriccurrentsuppliedbythecontactnettotheelectriclocomotivehastwotypes:DCandAC.Duetothedifferentcurrentsystems,theelectricloco...

One page book
One page book

CharacterrelationshipErrorCorrectionCloseErrorCorrectionPartnerSuHuanzhenAnerror848658hasbeenreported.CharacterimageTheone-pagebookofBaishiJinglun,whichfirstappearedin"Thunderbolt",hasundergonechanges...

Central South University
Central South University

BasicinformationHistoricalevolutionThepredecessoroftheschoolCentralSouthUniversityopenedonApril29,2000,Inthereorganizationofthenationalcollegesanduniversities,itwasformedbythemergerofCentralSouthUnive...

Emergency management system
Emergency management system

SystemconnotationFirstofall,theemergencymanagementsystemisarelativelyfixedmethodthathasbeentestedandproventobeeffectiveinemergencymanagementpractice.Theworkingmechanismofanyorganizationdoesnotchangear...

queuing theory
queuing theory

IntroductionTherearealotoftangibleandintangiblequeuingorcrowdingphenomenaindailylife,suchasqueuesforticketpurchasesandbusylocaltelephonelines.Thebasicideaof​​queuingtheorywasformedin1909byDanishmathem...

Boltzmann
Boltzmann

ThesynonymBoltzmanngenerallyreferstoBoltzmannBriefintroductionLudwigEdwardBoltzmann(1844.2.20-1906.9.5),thermodynamicsandOneofthefoundersofstatisticalphysics.LudwigBoltzmannwasborninVienna,Austriain18...

Afghanistan
Afghanistan

HistoricalEvolutionMineralResourcesNationalRuleAfghanistan:Whydiditbecomealandlockedcountry?2021-09-1319:25Afghanistanisatypicallandlockedcountry.Everyyear,mostofAfghanistan’simportandexporttrademustb...

Server-client
Server-client

Synonymmaster-slavearchitecturegenerallyreferstoserver-clientTheabovecontentisreviewedandannouncedbytheNationalScienceandTechnologyTermReviewCommitteeIntroductiontothestructureServer-client,namelyClie...

Structured data
Structured data

OverviewStructureddata,alsocalledrowdata,isdatathatislogicallyexpressedandrealizedbyatwo-dimensionaltablestructure.Itstrictlyfollowsthedataformatandlengthspecifications,mainlythroughrelationaldata.The...

method
method

WordInterpretationBasicInformation[Pinyin]:fāngfǎ[WordMeaning]:Methodsareusedtosimulatetheabilities,actionsorbehaviorsoftheclass,generallynouns.[Synonyms]:measures,method...

TOP