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Power amplifier
Power amplifier
05/12/2021 85up 2327Views

WorkingprincipleUsethecurrentcontrolfunctionofthetriodeorthevoltagecontrolfunctionofthefieldeffecttubetoconvertthepowerofthepowersupplyintoacurrentthatchangesaccordingtotheinputsignal.Becausesoundiswa...

Northern Europe
Northern Europe
05/12/2021 73up 2252Views

GeographicalenvironmentLandformIngeneral,theterrainoftheNordicregionisrelativelylowandflatexceptforthehigherelevationoftheScandinavianMountains.Theterrainismostlyplateausandeclipsemountains.Ice-eroded...

Ciphertext
Ciphertext
05/12/2021 51up 2142Views

IntroductionTheciphertextistheencryptedtext,andtheplaintextisthetextbeforeencryption.Thetermencryptionsometimesreferstociphertext,butitisusuallyusedtorefertothemethodofencryption.Theoutputaftersomedis...

engineering
engineering
05/12/2021 60up 2332Views

TypesofmajorsThecurrentundergraduatemajorsofengineeringinhighereducationinstitutionsinmycountryaredividedintothefollowing21sub-categories,EngineeringorEngineeringistoimprovetheexistingconstruction,mac...

Capital University of Economics
Capital University of Economics
04/12/2021 40up 2357Views

BasicinformationHistoryTheschool’spredecessorBeijingSchoolofEconomicsBeijingSchoolofEconomics(2photos)ThepredecessorofBeijingSchoolofEconomicsisBeijingestablishedin1956LaborCadreSchoolandBeijingExperi...

MIS
MIS
04/12/2021 36up 2384Views

Synonymousinformationmanagementsystemgenerallyreferstomanagementinformationsystem(officeequipment)SystemintroductionManagementInformationSystems(ManagementInformationSystemsforshortMIS)isanewdisciplin...

China Daily
China Daily
04/12/2021 47up 2116Views

ThesynonymChinaDDNgenerallyreferstoChinaDailyPrintmediaBuildingaglobalcommunicationsystemandgivingouttheauthoritativevoiceofChinaChinaDailyMediaGrouphas13paperpublications.IncludingChinaDaily,ChinaDai...

Alarm detector
Alarm detector
04/12/2021 86up 2191Views

Synonymousintrusiondetectorsgenerallyrefertoalarmdetectors.PrinciplesAlarmdetectorsselectdifferentsignalsensorsaccordingtodifferentpreventionplaces,andusedifferenttechnologiesofdifferentsensorstoautom...

External language
External language
04/12/2021 12up 2164Views

InterpretationOralspeechmeansspeakingtoothersbyoneself.Oralspeech,notonlytospeak,butalsotocommunicatedirectlywithothers.Oralspeechisdividedintomonologueanddialoguespeech.Monologuemeansthatthepersonwho...

Storage device
Storage device
03/12/2021 6up 2101Views

Commonstoragedevices1.Devicesthatuseelectricalenergytostoreinformation,suchasvarioustypesofmemory,suchasRAM,ROM,etc.Storagedevices(6photos)2.Devicesthatusemagneticenergytostoreinformation,suchasharddi...

Inquirer Center Therapy
Inquirer Center Therapy
03/12/2021 9up 2295Views

IntroductionItisalsocalledvisitor-centeredtherapyandclient-centeredtherapy.Itwasfoundedinthe1950sand60sbyCarlRogers(1902-1987).Themainpointsareasfollows:1.Peoplehavetheabilitytodiscovertheirownflawsan...

Stanford University
Stanford University
03/12/2021 44up 2283Views

BasicinformationHistoricalevolutionFoundingperiodStanfordUniversitywasfoundedbythethenGovernorofCaliforniaandMember’srailwaytycoonLelandStanfordandhiswifeJaneLathropStanfordjointlyestablishedin1891.Th...

Work injury
Work injury
03/12/2021 80up 2571Views

SynonymOccupationalinjurygenerallyreferstoworkinjuryBackgroundWorkinjuryistheabbreviationofworkinjury,alsoknownasoccupationalinjury(occupationalinjuries),whichreferstothedirectactionofexternalfactorsd...

Tiered storage
Tiered storage
03/12/2021 4up 2219Views

ThegenerationofdemandThewaveofinformatizationissurging,andtheamountofenterprisedatahassurgedfromMBleveltoTBorevenPBlevel.ThediversificationofenterpriseproductsandserviceshasledtothebusinesslogicofITsy...

Reference variable
Reference variable
02/12/2021 65up 2184Views

Definitionintrate=80;int&pt=rate;⒈ptisareferencevariable,itmustbeinitializedwhendeclaringthereferencevariable.ThevalueofptandratePointtothesamememoryvariable.Themostusefuluseofreferenceisasafuncti...

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