Domov technika
Leaf node
Leaf node

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

Education surcharge
Education surcharge

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

Enterprise Mailbox
Enterprise Mailbox

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

coding
coding

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

National Scientific and Technical Terms Review Committee
National Scientific and Technical Terms Review Committee

HistoricalevolutionBeforetheCulturalRevolutionIn1909,theQinggovernmentestablishedtheScientificTerminologyCompilationMuseum,andin1932theNanjingNationalGovernmentestablishedtheNationalCompilationandTran...

encryption
encryption

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

Cognitive psychology
Cognitive psychology

IntroductionCognitivepsychologyisoneofthelatestbranchesofpsychology.Itwasdevelopedfromthe1950stothe1960sandbecamethemaingenreofWesternpsychologyinthe1970s.1956isconsideredanimportantyearinthehistoryof...

Means of labor
Means of labor

SynonymslabormaterialsgenerallyrefertothemeansoflaborThevalueofthemeansoflaborThemeansoflaborarealsocalledmeansoflabor,whichareusedtochangeorinfluencetheobjectsoflaborintheprocessofproducingandoperati...

calculating speed
calculating speed

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

Watermark
Watermark

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

Neural Networks
Neural Networks

DefinitionBiologicalneuralnetworkmainlyreferstotheneuralnetworkofthehumanbrain,whichisthetechnicalprototypeoftheartificialneuralnetwork.Thehumanbrainisthematerialbasisofhumanthinking.Thefunctionofthin...

Transform
Transform

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

CD library
CD library

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

Access Network
Access Network

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

First-generation computer
First-generation computer

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

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