SummaryCharacteristicsofdatagramworkingmode:1.Differentpacketsofthesamemessagecanbetransmittedthroughdifferenttransmissionpathsthroughthecommunicationsubnet;2.Whendifferentpacketsofthesamemessagearriv...

IntroductionNaturalscienceisthescienceofstudyingnaturethematerialform,structure,natureandmovementlawsofnature.Itincludesbasicsciencessuchasphysics,chemistry,biology,astronomy,andearthsciences,andappli...

PersonalAchievementsMemberoftheMinistryofEducation,ScienceandTechnologyCommission,DepartmentofInformatics,DeputyDirectorofCAD/CGCommitteeofChinaComputerSociety,DeputyDirectorofComputerAnimationandDigi...

IntroductionIntheentiredesignprocess,thestandarddelayformathasimportantapplications,suchasstatictiminganalysis.InstituteofElectricalandElectronicsEngineersInstituteofElectricalandElectronicsEngineers(...

Intypesettingandprinting,thetextsizeformedbytheheightandwidthofthetextiscalculatedbyauniqueunitofmeasurement,namelypointsandciceros.Moderncommonlyusedpoint(pt)asaunit.Fournier,France,inventedthepoints...

GeneraldefinitionItalsoreferstothecharacteristicsofdifferentlevelscoexistinginthesamecupofcoffee.Thehighcomplexitymeansthattherearemoretypesofsensorystimulationthatcanbefelt;whatshouldbepaidattentiont...

TheoriginofGPSIntheearlydays,GPStechnologywaswidelyusedinmilitaryland,sea,andairnavigation,fixed-pointbombing,andguidanceofship-basedmissiles.Especiallyinthe1991GulfWar,theUSmilitary'smissilesaccurate...

IntroductionHub(Hub)referstoadevicethatconnectsmultipleEthernettwistedpairsoropticalfiberstogetherunderthesamephysicalmedium.ThehubisthephysicallayeroperatingintheOSImodel.Itcanberegardedasamulti-port...

IntroductionIn1666,BritishscientistNewtonfirstrevealedthechromaticnatureoflightandthesecretofcolor.Heusedexperimentstoshowthatsunlightisamixedlightofvariouscolors,andfoundthatthecoloroflightdependsont...

BasicintroductionRemoteconferencereferstothevideoconferenceingeneral,andthevoiceandvideoimagesareinteractivelysharedremotely.Fordatainteractioninacomputer,thetraditionalmethodistoconvertitintovideoand...

DefinitionWeunderstandtheso-calledintelligentrobotinabroadsense.Themostimpressivethingitgivespeopleisaunique"livingcreature"thatperformsself-control.Infact,themainorganofthisself-control"livingthing"i...

ThedefinitionofgenuineTheversionofficiallypublishedbythepublishingunit(differentfrom‘pirated’):~Book|~CD.Genuinemeans"rightuseofcopyright".Thecopyrightbelongstothecopyrightowner.Thecopyrightowner...

BasicunderstandingExplanationofcapitalismGenerallyspeaking,itisthetransformationofanagriculturalpopulationintoanon-agriculturalpopulation,anagriculturalareaintoanon-agriculturalarea,andagriculturalact...

DefinitionThemodeofoperationisthemanifestationoftherelationshipbetweentheownerandtheoperator.Forexample,Chineseenterprisesunderownershipbythewholepeopleweredirectlyoperatedbythestatebeforethesystemref...

TheroleoftheoutputdeviceTheoutputdeviceisageneraltermforthedevicethatsendsinformationfromtheoutsideworldtothecomputerandthedevicethatreturnstheprocessingresulttotheoutsideworld.Thesereturnedresultsmay...

OverviewWaterflowindicatorsaredividedintotwocategories:impellertype;floatingballtypenickname(throughimpellermirror,impellermirror,straightfloatmirror,floatmirrorLiquidflowobserver,flowindicator,flowmo...