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Public Telegraph Network
24/01/2022 882
Public Telegraph Network

IntroductiontoTelegramNetworkTelegramNetworkisatelecommunicationsnetworkthatopenstelegramservicesforthetransmissionoftext,images,photos,documentsandotherinformation.Itisacommunicationnetworkthatconnec...

social relationship
24/01/2022 856
social relationship

MeaningFromtheperspectiveofbothsidesoftherelationship,socialrelationshipincludestherelationshipbetweenindividuals,therelationshipbetweenindividualsandgroups,andtherelationshipbetweenindividualsandthec...

Resin Matrix Composite
23/01/2022 844
Resin Matrix Composite

IntroductionThecommonlyusedresinsforfiberreinforcedresinmatrixcompositesareepoxyresinandunsaturatedpolyesterresin.Commonlyusedare:thermosettingresins,thermoplasticresins,andvariousmodifiedorblendedbas...

Positron
23/01/2022 925
Positron

Thesynonymouspositrongenerallyreferstothepositron.IntroductionWhenaheatedpositroncollideswithanelectron,itmaytemporarilyformapositronandanegativeelectronbeforeannihilationoccurs.Theneutralboundsystem(...

Public key
22/01/2022 924
Public key

IntroductionPublickeysarealsocalledasymmetrickeys.Everyonehasapairofuniquekeys:publickey(referredtoaspublickey)andprivatekey(referredtoasPrivatekey),thepublickeyisdisclosedtotheoutsideworld,andthepriv...

Data layer
22/01/2022 915
Data layer

OverviewThedatalevel(datalevel)referstooneoftheASP.NETthree-tiersystems,includingthedatalayer,businesslogiclayerandpresentationlayer.WhenusingASP.NETtechnologytodeveloplargeandmedium-sizedapplications...

Global Positioning System
21/01/2022 751
Global Positioning System

ThesynonymGPS(word)generallyreferstotheGlobalPositioningSystem(positioningsystemforhigh-precisionradionavigation)OverviewGPSwasdevelopedbytheUnitedStatesinthe1970sandlasted20yearsandcost200Itisanewgen...

Ancient society
21/01/2022 931
Ancient society

IntroductionThebook"AncientSociety"includes1preface,4maintexts,andatotalof26chapters.Thebookthoroughlyandsystematicallystudiesthedevelopmentprocessofmankindfromtheageofignorancethroughtheageofbarbaris...

Quantitative analysis method
20/01/2022 988
Quantitative analysis method

Introduction"QuantitativeAnalysisMethod"isoneof"MPAEducationSeriesofNanjingUniversity".Withthedevelopmentofsociety,peoplemustconsidertherelevance,systemandcomprehensivenessofthingsinanydecision-making...

Error message
20/01/2022 875
Error message

Specificerror600~625600Anoperationispending.601Aninvalidporthandlewasdetected.Theportspecifiedby602isalreadyopen.603Thecaller'sbufferistoosmall.604Wronginformationwasspecified.605Cannotsetportinformat...

robot
19/01/2022 987
robot

History"SuiShu"oncerecordedthestoryofarobot:"...Theemperorstillhatesnightsummons,soheorderedthecraftsmantocarvepuppets,implementorgans,andbeabletositup.Worship,taketheimageto抃.Whentheemperormeetsthew...

Protective coloration
19/01/2022 968
Protective coloration

AnimalprotectioncolorExamplesofprotectioncolorsExamplesofprotectioncolors(10photos)Protectioncolors(Crypsis)andmimicryarebothItissimilartotheenvironmentalcoloranddifficulttoberecognized.Theprotectivec...

strike
18/01/2022 1042
strike

DefinitionofstrikeStrikeisnotaconceptcreatedbymodernpeople.DuringthereignoftheEgyptianpharaohRamsesIIIinthe12thcenturyBC,theworkersoftheroyalcemeterylaunchedastrike.Thisisthefirststrikeintheworldconsi...

e-mail
18/01/2022 957
e-mail

HistoryOriginFortheworld’sfirste-mail(e-mail),accordingtothedata,therearetwowaysofsaying:ThefirststatementThefirste-mailintheworldinOctober1969wasabriefmessagesentbycomputerscientistProfessorLeonardK....

Claude Elwood Shannon
17/01/2022 906
Claude Elwood Shannon

CharactersClaudeElwoodShannon(ClaudeElwoodShannon,1916-2001)wasbornonApril30,1916inPetoskey,Michigan,USA.HegrewupinthesmalltownofGaylord,whichhadonlythreethousandinhabitantsatthetime.Thefatheristhejud...