BasicinformationTheessenceofpacketswitchingistodividethedatatobetransmittedintomanygroupsaccordingtoacertainlength.Inordertoaccuratelytransmittotheotherparty,eachgroupismarkedwithmanydifferentdatagrou...

IntroductiontotheprotocolThehostIPsoftwareneedstobeextendedbymulticasttoenablethehosttosendandreceivemulticastpacketsonthelocalnetwork.Butthisaloneisnotenough,becausemulticastforwardingacrossmultiplen...

MaintypesAccordingtothedifferentmeltingpointsoftheintermediatefilm,itcanbedividedinto:lowtemperaturelaminatedglass,hightemperaturelaminatedglass,andinsulatingglass;Accordingtothedifferentmaterialsinth...

OverviewHarddiskdrive(HDD)referstoadevicethatcontrolsharddiskaddressingandaccessingdatainapersonalcomputer.Throughtheharddrive,thecomputercanstoredata.Althoughharddiskdriveandharddiskaretwoconcepts,si...

Cryptoanalysismethodforsolvingthekeyorsolvingthecorrespondingplaintextfromtheinterceptedciphertextbyselectingthespecificciphertextanditscorrespondingplaintextthatarebeneficialtotheattack.Oneofthewayso...

ThesynonymPHSgenerallyreferstoapersonalhandheldphonesystemTheabovecontentisreviewedandannouncedbytheNationalScienceandTechnologyTermReviewCommitteeIntroductionPersonalhandheldphoneSystem(PHS——-persona...

HistoricalevolutionOnJanuary1,1925,whenAT&Tpresident,WalterGifford(WalterGifford)acquiredtheresearchdepartmentofWesternElectronicsCorporation,acompanycalledAnindependententityof"BellTelephoneLabor...

BasicintroductionSpecialceramicsasstructuralparts.Itiscomposedofsingleorcompositeoxidesornon-oxides,suchasAl2O3,ZrO2,SiC,Si3N4,orcombinedwitheachotherorcombinedwithcarbonfiber.Usedinthemanufactureofce...

BasicinformationHistoricalevolutionTheShanghaiRussianSchoolattachedtoEastChinaPeople’sRevolutionaryUniversity(1949—1950)AfterthefoundingofthePeople’sRepublicofChina,inordertolearnfromtheexperienceofso...

PersonalexperienceHockfieldtaughtneurobiologyatYaleUniversityin1985andwasnamedfullprofessorin1994.Shespent19springandautumnacademiccareersatYaleUniversity.Shehasservedasthedeanofitsgraduateschool,thed...

ElementaryEducationPrimarySchool(7photos)Inadditiontothecharacteristicsofeducation,elementaryeducationhasuniquebasiccharacteristics:First,itisuniversal;Thesecondisobligatory;thethirdiscomprehensive.El...

ImpliedconceptsIntellectualresourcesarenotonlyhumancapital(individualorgroup)withcertainknowledgeandskillsandtheirintelligence(knowledge,management,brainpower,creativity,etc.),butalsoIncludingtangible...

HistoricalevolutionFoundingofthejointissueAftertheWarofResistanceAgainstJapanenteredthestalematestage,astheanti-Japanesebaseareasbehindenemylinesledbythepartyandtheanti-Japanesearmedforcesgrew,theCCPT...

HostaddressconceptThenetworkpartofanIPaddressiscalledanetworknumberornetworkaddress,andthehostcandirectlycommunicatewithdeviceswiththesamenetworknumberInthecaseofnoconnecteddevice,evenifthesamephysica...

DefinitionMedian,alsoknownasmidpoint,median.Themedianisthenumberinthemiddleofagroupofdataarrangedinorder,thatis,inthisgroupofdata,halfofthedataislargerthanhim,andhalfofthedataissmallerthanhim.Hereweus...

ThelifeofthecharactersCaiLunwasborninafamilyofblacksmithswhoengagedinsmeltingandforgingatthefootofDacooMountainintheearlyEasternHanDynasty.Hisancestorwasablacksmith.AfterWeiSatookofficeastheprefectofG...