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Relational database management system
Relational database management system
11/12/2021 32up 2081Views

BasicinformationRelationalDatabaseManagementSystem(RDBMS)referstoasetofprocedures(databasemanagementsystemsoftware)thatincludesinterconnectedlogicalorganizationsandaccesstothesedata.Arelationaldatabas...

Japan National Museum of Ethnology
Japan National Museum of Ethnology
11/12/2021 71up 2214Views

ArchitecturallayoutThishallisdividedinto9exhibitionhalls.TheaudiencestartedfromtheOceaniaRoomandvisitedtheexhibitionhallsinAmerica,Europe,Africa,WestAsia,SoutheastAsia,NorthCentralandEastAsiainsequenc...

Power electronics
Power electronics
11/12/2021 33up 2458Views

IntroductionPowerelectronicequipmentisadevicecomposedofvariouspowerelectroniccircuits.Usedfortheconversionandcontrolofhigh-powerelectricenergy.Alsoknownasconverterdevice.Itincludesrectifiers,inverters...

American National Standards Institute
American National Standards Institute
11/12/2021 23up 2223Views

SynonymAmericanNationalStandardsInstitutegenerallyreferstotheAmericanNationalStandardsInstitute.HistoricalbackgroundTheAmericanNationalStandardsInstitute(ANSI)wasfoundedin1918.Atthattime,manycompanies...

Cybernetics
Cybernetics
11/12/2021 84up 2191Views

EstablishmentanddevelopmentInthe1930sand1940s,scientistsbegantopaygreatattentiontotheresearchinformationmeasurementandfeedbackmechanism,andgainedarelativelydeepunderstanding.BritishstatisticianRAFishe...

Organelle
Organelle
10/12/2021 75up 2221Views

IntroductionTheorganellesofanimalcellsandplantcells(2photos)Theorganellesaredividedinto:mitochondria;Chloroplast;endoplasmicreticulum;Golgiapparatus;lysosome;vacuole,ribosome,centrosome.Amongthem,chlo...

Morse code
Morse code
10/12/2021 32up 2413Views

HistoryofproductionMorsecodeisakindofmagicalcode,itisasignalcodeanditisonandoffatalltimes.Suchsignalcodesaredisplayedindifferentsequences.OutdifferentEnglishletters,numbers,andpunctuationmarks.Itsinve...

keyboard
keyboard
10/12/2021 24up 2160Views

StructureIntheshell,somekeyboardsarefixedonthekeyboardpanelandthebasewiththetechnologyofplasticconcealedhooks,realizingametalscrew-freedesign,sobecarefultoavoiddamagewhendisassembling.Inordertomeetthe...

Strange Tales of Liao Zhai
Strange Tales of Liao Zhai
10/12/2021 55up 2339Views

IntroductionThebook"StrangeTalesfromaLonelyStudio"hasnearly500articles,whicharemainlydividedintothefollowingtypes:Thefirstislovestory,whichoccupiesthelargestpartofthebook.Mostofthemaincharactersinthes...

Type
Type
10/12/2021 43up 2217Views

qianhuoziTypetypeThemeasurementoftypehastwotypes:numbersystemandpointsystem.Thepointsystemisgenerallyadoptedintheworld..Thelengthofthedotis0.35146mminBritain,theUnitedStates,Japanandothercountries,and...

Time division multiplexing
Time division multiplexing
09/12/2021 80up 2270Views

BasicprincipleSchematicdiagramofn-channeltime-divisionmultiplexingsystem:Schematicdiagramofn-channeltime-divisionmultiplexingsystem(1picture)Timedivisionmultiplexingissuitableforthetransmissionofdigit...

Dunhuang Stone Room
Dunhuang Stone Room
09/12/2021 68up 2167Views

Interpretation1.Alsoknownas"DunhuangGrottoes".2.IncludingtheMogaoGrottoes,WestThousandBuddhaCaves,YulinGrottoesandShuixiakouSmallThousandBuddhaCaves,whichbelongedtoDunhuanginancienttimes.Generallyrefe...

Tuoli County
Tuoli County
09/12/2021 75up 2473Views

ThesynonymTuoli(TuoliCounty,XinjiangUygurAutonomousRegion)generallyreferstoTuoliCounty.HistoryEarlyHistoryToliCountyhasbeenlocatedintheWesternRegionssinceancienttimes,duringtheQinandHanDynasties,Theco...

Bar code
Bar code
09/12/2021 12up 2472Views

Synonymousbarcodegenerallyreferstobarcode.IntroductionBarcode(barcode)isamethodofarrangingmultipleblackbarsandblanksofdifferentwidthsaccordingtocertaincodingrulestoexpressagroupofinformationGraphicide...

Iteration
Iteration
09/12/2021 80up 1922Views

RelatedconceptsFunctionInmathematics,iterativefunctionistheobjectofin-depthstudyinfractalanddynamicsystem.Aniterativefunctionisafunctionthatrepetitivelycomposeswithitself.Thisprocessiscallediteration....

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