SynonymsleafnodesgenerallyrefertoleafnodesHBSTR-treeleafnodesThehybridindexmethodHBSTR-treethatintegratesR-tree,hashtableandB*treeisadopted,asshowninFigure1TheprincipleandframediagramofHBSTR-tree.3The...

Fee-payingobjectsPaidpayersareunitsandindividualswhopayvalue-addedtax,consumptiontax,andbusinesstax.Theyareallpayersofadditionaleducationfees(referredtoaspayers).SinceDecember1,2010,inaccordancewithth...

ReasonsforlossBecauseofGFWandotherreasons,themailcommunicationbetweenChinaandforeigncountrieswasmiserable.Itcanbesaidthatthereturnorlossofoverseasmailiscommonplace.Inthefaceofthissituation,therearesev...

DefinitionIncomputerhardware,codingreferstotheuseofcodestorepresentgroupsofdata,makingitinformationthatcanbeprocessedandanalyzedbyacomputer.Codeisasymbolusedtorepresentthings.Itcanberepresentedbynumbe...

HistoricalevolutionBeforetheCulturalRevolutionIn1909,theQinggovernmentestablishedtheScientificTerminologyCompilationMuseum,andin1932theNanjingNationalGovernmentestablishedtheNationalCompilationandTran...

HistoricalsourcesThereasonwhyencryptionissafeisnotbecauseyoudon’tknowtheencryptionanddecryptionalgorithms,buttheencryptionkeyisabsolutelyhidden.PopularRSAandAESencryptionalgorithmsarebothFullypublic,i...

IntroductionCognitivepsychologyisoneofthelatestbranchesofpsychology.Itwasdevelopedfromthe1950stothe1960sandbecamethemaingenreofWesternpsychologyinthe1970s.1956isconsideredanimportantyearinthehistoryof...

SynonymslabormaterialsgenerallyrefertothemeansoflaborThevalueofthemeansoflaborThemeansoflaborarealsocalledmeansoflabor,whichareusedtochangeorinfluencetheobjectsoflaborintheprocessofproducingandoperati...

HistoricaldevelopmentENIAC,bornin1946,canonlyperform300variousoperationsor5000additionspersecond,andisaveritablecomputingmachine.Aftermorethan50years,thelevelofcomputertechnologyhasundergonerapidchang...

Basicexplanation1.Marksthatyouseewhenyouhitthelight.2.Referstomycountry'straditionalmethodofprintingpaintingswithwoodcuts.Thewaterusedtoblendthepigmentsdoesnotuseoil,whichisdifferentfromthegeneralcolo...

DefinitionBiologicalneuralnetworkmainlyreferstotheneuralnetworkofthehumanbrain,whichisthetechnicalprototypeoftheartificialneuralnetwork.Thehumanbrainisthematerialbasisofhumanthinking.Thefunctionofthin...

IntroductionThemappingofacollectiontoitselfiscalledatransformation.Asamapping,twotransformscanbemultiplied.Agroupofseveral-transformationsunderthismultiplicationiscalledatransformationgroup.Transforma...

IntroductionSincethebirthoftheCD-ROMstandardforrecordingcomputerdataonCDdiscs,CD-ROMdiscshavebeencharacterizedbytheirlargecapacity,lowcost,standardizeddataformat,easystorageandsafetyTheincomparableadv...

IntroductionTheso-calledaccessnetworkreferstoalltheequipmentbetweenthebackbonenetworkandtheuserterminal.Itslengthisgenerallyseveralhundredmeterstoseveralkilometers,soitisvividlycalledthe"lastkilometer...

BackgroundThe1950swasthefirstclimaxofcomputerdevelopment.Atthattime,themaincomponentsincomputerswereallmadeofelectrontubes,andlatergenerationswilluseelectrontubes.Thecomputeriscalledthefirst-generatio...