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television
television
01/01/2022 56up 2092Views

PrinciplesofTVThemethodofusingelectricityforTVinstantlytransmitsvisualimagesoftheevent.Similartomovies,televisionusesthevisualresidualeffectofthehumaneyetodisplayaframeofgradualstillimagestoformavisua...

computer network
computer network
31/12/2021 11up 1667Views

DefineclassificationInbroadtermsComputernetworkisalsocalledcomputercommunicationnetwork.Thesimplestdefinitionofacomputernetworkis:acollectionofautonomouscomputersthatareconnectedtoeachotherforthepurpo...

Ghost
Ghost
31/12/2021 35up 1837Views

CausesAccordingtoexperienceandanalysisofnewspapers,ghostimagesaremainlycausedbythefollowingreasons:1)PoorpressureadjustmentTheprintingpressureandthecontactpressurebetweenthevariousinkrollersarenotinth...

enemy
enemy
30/12/2021 31up 2053Views

SonglyricsIcan'tmatchyourtearsYoucan'tmatchmypraiseIcan'tmatchyourcharm>Youcan'tmatchmyaccidentalmercyIcan'tmatchyourindulgenceYoucan'tmatchmydepthIcan'tmatchyoursBodytemperatureYouarenomatchformye...

Current user name
Current user name
30/12/2021 46up 1957Views

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

Open system interconnection
Open system interconnection
29/12/2021 64up 1880Views

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

system software
system software
29/12/2021 65up 1842Views

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

Electric hammer
Electric hammer
28/12/2021 30up 1520Views

IntroductiontotheelectrichammerTheelectrichammerisawidelyusedelectrictool.Theelectrichammerisbasedonanelectricdrill,addingapistonwithacrankshaftconnectingroddrivenbyanelectricmotor,andreciprocatingcom...

Infinitely variable speed
Infinitely variable speed
28/12/2021 56up 1682Views

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

Electric locomotive
Electric locomotive
27/12/2021 98up 1629Views

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

One page book
One page book
27/12/2021 30up 1871Views

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

Central South University
Central South University
26/12/2021 78up 1886Views

BasicinformationHistoricalevolutionThepredecessoroftheschoolCentralSouthUniversityopenedonApril29,2000,Inthereorganizationofthenationalcollegesanduniversities,itwasformedbythemergerofCentralSouthUnive...

Emergency management system
Emergency management system
26/12/2021 91up 1925Views

SystemconnotationFirstofall,theemergencymanagementsystemisarelativelyfixedmethodthathasbeentestedandproventobeeffectiveinemergencymanagementpractice.Theworkingmechanismofanyorganizationdoesnotchangear...

queuing theory
queuing theory
25/12/2021 10up 1654Views

IntroductionTherearealotoftangibleandintangiblequeuingorcrowdingphenomenaindailylife,suchasqueuesforticketpurchasesandbusylocaltelephonelines.Thebasicideaof​​queuingtheorywasformedin1909byDanishmathem...

Boltzmann
Boltzmann
25/12/2021 11up 1797Views

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

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