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Routing table
28/12/2021 1434
Routing table

IntroductionIncomputernetworks,aroutingtableorRouterSelectionInformationBase(RIB)isaspreadsheetstoredinarouterornetworkedcomputer(File)orclassdatabase.Theroutingtablestoresthepathtoaspecificnetworkadd...

CNC machine tools
27/12/2021 1394
CNC machine tools

MainfeaturesTheoperationandmonitoringofCNCmachinetoolsareallcompletedinthisCNCunit,whichisthebrainofCNCmachinetools.Comparedwithordinarymachinetools,CNCmachinetoolshavethefollowingcharacteristics:1.St...

Cable channel
27/12/2021 1345
Cable channel

SynonymtelephonecablegenerallyreferstowiredchannelTransmissionmediaTherearefourmaintypesofwiredchannels.Namely,openwire,symmetricalcable,coaxialcableandopticalfiber.OpenwireAnopenwirereferstoanoverhea...

Joseph John Thomson
26/12/2021 1269
Joseph John Thomson

ThesynonymThomson(thewinneroftheNobelPrizeinPhysics)generallyreferstoJosephJohnThomsonCharacterRelationshipErrorcorrectionTurnofferrorcorrectionSonGeorgePageThomsonAnerror5823322hasbeenreportedCharact...

Code
26/12/2021 1688
Code

ExplanationoftermsAnysymbolsystemforinputtingdataandinstructionsintoautomaticcomputersortabulatingmachines;alsoreferstotherecordingofsuchsymbols(suchastypingThemagneticpointontheholedatacardortape).Co...

Barcode scanner
25/12/2021 1470
Barcode scanner

ShapeclassificationBarcodesonthemarketareroughlydividedinto:handheld,smallroller,andplatformbarcodehandheldThehandheldbarcodescannerisaproductformedbytechnologyintroducedin1987,anditsappearanceisverys...

Storage means
25/12/2021 1285
Storage means

BasicinformationCurrencyisageneralequivalent,whichcanbeexchangedwithallothercommodities,anditcanbestoredasgeneralsocialwealthbypeople.Asameansofstorage,currencycontinuestodevelopwiththedevelopmentofth...

Labor resources
24/12/2021 1331
Labor resources

DefinitionLaborresourcesrefertothequantityandqualityoflaborinacountryorregionatacertainpointorperiodoftime.Laborers’productiontechnology,culturalandscientificlevel,andhealthstatus]Thesumofthework...

Second World War
24/12/2021 1303
Second World War

WarbackgroundTimebackgroundThebaneofWorldWarIOnNovember11,1918,GermanyandtheAlliessignedasurrenderagreementintheCompiègneForestnortheastofParis,France.TheFirstWorldWarendedwiththevictoryoftheAlliedPow...

Physical layer
23/12/2021 1600
Physical layer

MainfunctionsThemainproblemstobesolvedbythephysicallayer:(1)Thephysicallayershouldshieldasmuchaspossiblethephysicalequipmentandtransmissionmedia,andthecommunicationmeansDifferent,makethedatalinklayern...

Physical address
23/12/2021 1429
Physical address

ConceptdescriptionMAC(MediaAccessControl,MediaAccessControl)addressisanidentifierforidentifyingLAN(LocalAreaNetwork)nodes.Itdefineshowthedataframeistransmittedonthemedium.Inlinksthatsharethesamebandwi...

Pre-Qin
22/12/2021 2221
Pre-Qin

HistoricalevolutionPre-Qinperiod(8photos)Thepre-Qinperiod,accordingtothesequenceofChinesehistory,experiencedtheancientculturalperiod:ThereareChaofamily,Suirenfamily,Fuxifamily,Shennongfamily(Yandi),Xu...

Cell membrane ion channel
22/12/2021 1299
Cell membrane ion channel

ProposalprocessIn1998,McKinnonmadeahigh-resolutionthree-dimensionalstructureimageoftheionchannelproteinKcsAofStreptomyces,andforthefirsttimeunderstoodtheroleofionchannelsfromtheatomiclevelWay.Thereisa...

New teaching model
21/12/2021 1197
New teaching model

1.Acompletenewteachingmodelshouldincludethefollowingfivefactors:(1)Theoreticalbasis:referstotheteachingtheoryorteachingideaonwhichtheteachingmodelisbased.(2)Teachinggoal:Referstotheteachingresultthatt...

11th century
21/12/2021 1372
11th century

Thesynonymofthe11thcenturygenerallyreferstothe11thcentury.IntroductionTheperiodfrom1000to1099iscalledthe11thcentury.ImportanteventsTheriseoftheIncaempirecivilizationinSouthAmerica.ChinaIn1004,atthebat...