Standardní reprezentacePovinná norma má předponu „GB“. Doporučená norma má předponu „GB/T“. Ve srovnání s mnoha mezinárodními normami ISO, mnoha národními normami, stejně jako identické (IDT, identický zub...

TheabovecontentisreviewedandannouncedbytheNationalScienceandTechnologyTermReviewCommitteeThetransmissioncharacteristicsofthesatellitechannelThechannelofsatellitecommunicationisdifferentfromOrdinarymob...

PurposeUsedtomanufacturehomotropicmagneticsteel,magneticfilm,andtoys.CrystalcharacteristicsofbariumferriteBariumferrite(BaFe12O19) isahardThemagneticmaterialbelongstotheM-typemagnetoplumbite,whichisar...

DefinitionThecontrolunit,EnglishControlUnit(CU),isoneoftheCPUcomponents,sometimesinstalledoutsidetheCPU.Itsbasicfunctionistoaccessinstructionsfromwithin,analyzeinstructionsandexecuteinstructions.Theco...

DefinitionConsumerneedsaredividedintoexplicitneedsandpotentialneedsaccordingtowhethertheyaremanifestedintheirbuyingbehavior.Forexample,consumersmaydirectlysay:Iamthirstyandwanttodrinkwater;Ineedasweat...

BasicmeaningThescientificdevelopmentconceptistoadheretothepeople-oriented,comprehensive,coordinatedandsustainabledevelopmentconcept.Puttingpeoplefirstistotaketheinterestsofthepeopleasthestartingpointa...

Introductiontothework"SixSecretTeachings",alsoknownas"TheTaigongSixSecretTeachings"and"TheTaigongArtofWar",isafamousmilitarybookinancientChina.Animportantpartoftheclassicalmilitaryculturalheritageofth...

IntroductionTheInternetEngineeringTaskForce,establishedattheendof1985,isthemostauthoritativeInternettechnologystandardizationorganizationintheworld.Itsmaintaskistoberesponsibleforthedevelopmentandform...

RelatedtheoriesAlllight(ietraditionallightsourceorlaserlightsource)iscausedbychangesintheenergylevelsofatomsandmolecules.Theabsorptionandreleaseofthesespecificenergyleveldifferencesappearaslightofspec...

Synonymswitheconomiesofscalegenerallyrefertotheeffectsofscale.DefinitionEconomiesofscaleTheconceptofeconomicsofdevelopment.Theeconomyofscaleisacomprehensivebenefitindexthatreflectstheeconomicdevelopme...

IntroductionFiberlaserisanewtypeoffiberlaserthatisnewlydevelopedintheworld.Itoutputshigh-energy-densitylaserbeam,whichisconcentratedonthesurfaceoftheworkpiece,sothattheworkpieceiscoveredbyanultra-fine...

SynonymsGuangdongPowerGridCorporationgenerallyreferstoGuangdongPowerGridCo.,Ltd.CompanyProfileGuangdongPowerGridCorporationisawholly-ownedsubsidiaryofChinaSouthernPowerGridCo.,Ltd.,andwasrenamedonMarc...

IntroductionTheearthisaplanetinthesolarsystem.Inadditiontorevolvingaroundthesun,italsorotatesonceaday.Therefore,thehalfsphereoftheearthirradiatedbysunlightformstheday,andtheotherhalfofthespherethatbea...

BorninPolis,Minnesota,USA.HestudiedpsychologyattheUniversityofMinnesotaandreceivedabachelorofartsandadoctorateofphilosophyin1940and1943.ServedinthemedicalmanagementdepartmentoftheU.S.Armyfrom1944-1946...

BuildingaphysicalmodelPhysicsisadisciplinethatstudiesthelawsofmattermovement,andtheactualphysicalphenomenaandlawsaregenerallyverycomplicatedandinvolvemanyfactors.Abandonthesecondaryfactors,graspthemai...

IntroductionArtificialintelligenceisnotjustafictitiousconcept.Humans’researchonthestructureofintelligentmachinesforhalfacenturyhasshownthatmachinescandefeathumans’greatestchessplayers,andhumanoidrobot...