global economic crisis
global economic crisis

BasiccharacteristicsThesharpdeteriorationofallormostofthefinancialindicatorsinthefinancialsectorhasaffectedthestabilityanddevelopmentoftheeconomyofrelevantcountriesorregionsandeventheworld.Themainperf...

dream
dream

WordconceptsMergethealbum(2photos)1.Thinkingindreams.HanSimaXiangru's"NagamenFu":"Suddenlysleepinganddreaming,thesoulislikeakingbytheside."TheSouthernDynastiesEmperorLiangWu"andHeYinchi":"Theoriginald...

High frequency and high voltage power supply
High frequency and high voltage power supply

1.Highconversionefficiencyofhigh-frequencypowersupplyTheconversionefficiencyoftheratioofoutputpowertoinputpowerofsingle-phaseDCpowersupplyislessthan70%,andtheoutputofthree-phasehigh-frequencyhigh-volt...

Model material
Model material

Buildingmodelmaterials(1),environmentalaccessories(cars,trees,people,grasspowder,etc.):plasticstreettrees,tower-shapedtreemodelcars,luminouscarboutiquemodelstreetlampboutiquecopperTubelampmodelstreetl...

Teaching mode
Teaching mode

IntroductionTheterm"model"isaChinesetranslationofEnglishmodel.Modelisalsotranslatedas"model","paradigm","typical"andsoon.Generallyreferstothetheoreticallogicalframeworkoftheresearchedobject,akindofope...

Li Yanhong
Li Yanhong

BasicinformationCharacterexperienceLearningexperienceIn1968,LiYanhongwasborninYangquan,Shanxi.family.Whenhewasyoung,hewasfascinatedbyoperaandwasadmittedbyShanxiYangquanJinOperaTroupe.Butinmiddleschool...

Universal operating system
Universal operating system

OverviewThegeneraloperatingsystemisanoperatingsystemwithmanytypesofoperatingcharacteristics.Itcanhavemultiplebatchprocessing,time-sharing,real-timeprocessingfunctionsatthesametime,ortwoormoreofthem.Fo...

ID3 algorithm
ID3 algorithm

BackgroundknowledgeTheID3algorithmwasfirstproposedbyJ.RossQuinlanattheUniversityofSydneyin1975asaclassificationpredictionalgorithm.Thecoreofthealgorithmis"informationentropy"..TheID3algorithmcalculate...

Superconducting energy storage
Superconducting energy storage

Putasuperconductorringinamagneticfieldandcoolittobelowthecriticaltemperatureoftheringmaterial.Removethemagneticfield.Duetoelectromagneticinduction,therewillbeinducedcurrentinthering.Aslongasthetempera...

Message exchange
Message exchange

DetailedexplanationEachnodereceivestheentiremessage,checkstheaddressofthetargetnode,andthenforwardsittothenextnodewhenappropriateaccordingtothetrafficsituationinthenetwork.Aftermanystore-and-forwards,...

General psychology
General psychology

DefinitionThedisciplinethatstudiesthemostgenerallawsofnormaladultpsychology.Theresearchscopeincludesthetheoreticalprinciplesandmethodsofpsychology,thebasicprinciplesofpsychologicalprocesses,mentalstat...

Aerial bomb
Aerial bomb

Therearemanytypesofaerialbombs,andtheclassificationmethodsofvariouscountriesaredifferentaccordingtotheirownhabits.Chinaisdividedintosmall(under50kg),medium(100-500kg),andlarge(above1000kg)aerialbombsa...

Rockefeller University
Rockefeller University

BasicinformationSchoolprofileSchoolbadge(4photos)RockefellerUniversityisAworld-renownedbiomedicaleducationandresearchcenterwasestablishedbytheAmericanoilkingRockefeller.Foundedin1901,theRockefellerIns...

Psychological research
Psychological research

DefinitionPsychologyfirstoriginatedfromphilosophy,andseparatedfromphilosophytoformanindependentresearchdiscipline.Itisthescienceofcognitionandanalysisofhumanself-thinkingandbehaviorpatterns,andstudyin...

Shade
Shade

Degreeofdeviation(1)Approximately,thereisnodifferenceinthecolorlightofthetwodyedsamplesalternatelyfromlefttoright.(2)Micro,thereseemstobeadifferenceinthecolorandlightofthetwodyedsamplesalternatelyfrom...

Programming language
Programming language

IntroductionComputerprogramminglanguages​​canrealizecommunicationandcommunicationbetweenhumansandmachines,andcomputerprogramminglanguages​​mainlyincludeassemblylanguage,machinelanguageandhigh-levellan...

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