
Functionallevel(1)Physicallayer:Itisthephysicalstoragedescriptionofthemultimediadatabase,thatis,theformdescribeshowthemultimediadataisstoredonthephysicalstoragedeviceofthecomputer.Formultimediadatabas...

IntroductiontothesubjectTheresearchonthebrainandnervoussystemhasalonghistory.Bytheendofthe18thcentury,peoplerealizedthatthebrainisdividedintodifferentparts,performingdifferentfunctions.Cajalfoundedthe...

BasicinformationPlotintroductionTheblackMichaelOchhasdivorcedhisparentssincechildhoodandishomeless.However,becauseofhisstrongphysicalconditionandathletictalent,hewasdumbfoundedandluckyenoughtoenterawe...

HistoricaldevelopmentIn1403AD,NorthKoreahasbeguntocastalargenumberofcoppermovabletypeprintingbooks.Thepreparationmethodfirstusesboxwoodtoengrave,turnitintoasandmold,andinjectcopperliquidtoformtheword....

MeaningAccordingtowhetherknowledgecanbeclearlyexpressedandeffectivelytransferred,knowledgecanbedividedintoExplicitKnowledgeandtacitknowledge(TacitKnowledge).ExplicitknowledgealsoknownasClearknowledge,...

IntroductionTheemergenceofvarioustypesofconvertershasgreatlyexpandedthescopeofuseofvariousinstruments(devices),makingtheautomaticcontrolsystemmoreflexibleandbroaderAdaptability.Thebasicfunctionofvario...

InterpretationAccordingtoEngels'spointofview,fromtheperspectiveoforigin,productivityistheabilitytotransformnatureformedbythecombinationofpeoplewithlaborabilityandthemeansofproduction.Thetransformation...

Synonymradiofrequencyidentificationgenerallyreferstoradiofrequencyidentificationtechnology(scienceandtechnology)OverviewRadioFrequencyIdentification(RadioFrequencyIdentification,RFID)isatypeofautomati...

IntroductionDistributedstoragesystemistostoredatainmultipleindependentdevices.Thetraditionalnetworkstoragesystemusesacentralizedstorageservertostorealldata.Thestorageserverbecomesthebottleneckofsystem...

BasicoverviewInasystemwithmanynodesdistributed,eachnodehasahighdegreeofautonomy.Thenodescanbefreelyconnectedtoeachothertoformanewconnectionunit.Anynodemaybecomeaphasedcenter,butitdoesnothaveamandatory...

PhilosophicalDefinitionCategoryreferstothecommonnatureonwhichthingsareclassifiedandarranged,thatis:categoryistheessenceofthekindofthings.Becausetheessenceofakindisoftencomposedofmultipleproperties,and...

IntroductionIPprotocolIPprotocolisaprotocoldesignedforcommunicationbetweencomputernetworks.IntheInternet,itisasetofrulesthatenablesallcomputernetworksconnectedtotheInternettocommunicatewitheachother,a...

DemandSincethereformandopeningup,asthecountryhasimprovedthelevelofagriculturalmechanizationandacceleratedtheimplementationofruralinfrastructurepolicies,mycountry’sagriculturalmachineryindustryhasdevel...

BlindmicerecoveringeyesightNineresearchersfromUniversityCollegeLondonandMoorefieldEyeHospitalinLondontookoutretinalphotoreceptorcellprecursorsfromtheeyesof3to5day-oldpups,Transplantthemintotheeyesofmi...