CalculationprincipleStartingfromtheconceptofindustrialvalue-added,thecalculationofindustrialvalue-addedshouldfollowthefollowingthreeprinciples:Theprincipleofproductioninthisperiodb>Thecalculationof...

NationalEconomyNationaleconomyreferstothegeneraltermforthesocialandeconomicactivitiesofacountry,whichiscomposedofinterconnectedandmutuallyinfluencingeconomiclinks,economiclevels,economicsectors,andeco...

OverviewOverallTheoutlineofthePacificOceanextendsnorthfromtheBeringStraittotheRossIceBarrieronthenorthernedgeoftheAntarcticcontinent.Meter.FromPanamainSouthAmericatotheMalayPeninsulainAsiaintheeast,it...

DefinitionMainbusinessincomereferstothebusinessincomeobtainedbyanenterprisefromengagingincertainmainproductionandbusinessactivities.Thenameofthisindicatorintheaccountingsystemofeachindustryisdifferent...

HistoricaldevelopmentTheEnglishwordlaserisderivedfromtheinitialacronymLASER,whichmeans"stimulatedemissionopticalamplifier"inEnglish.Theabbreviationisabbreviated.Thekeyconceptinlasertechnologyhasbeenes...

ExampleAccordingtothescopeandtimeofitsapplication,itcanbedividedintoageneralstrategicpolicythatcontrolstheoverallsituationandtheentireprocessofmilitarystruggleandaspecificstrategicpolicythatguidesdiff...

ThesynonymWertheimergenerallyreferstoMaxWertheimerCharacterlifeEarlylifeApril15,1880,MarcosWertheimMowasborninPragueduringtheAustro-HungarianEmpire.HisfatherWilliamWertheimerhadbeeninchargeofaprivateb...

BriefintroductionThestatisticalinformationsystemisaman-machinecompositesystemestablishedonthebasisoftraditionalmanualstatisticalworkbyapplyingstatisticaltheory,informationtechnology,andsystemengineeri...

InterpretationAusubel’sexplanationAccordingtotherelationshipbetweenthelearningmaterialsandtheexistingknowledgeinthelearner’scognitivestructure,AusubeldivideslearningintomechanicalLearningandmeaningful...

DefinitionLow-voltageelectricalappliancesusuallyrefertoelectricalappliancesthatworkatACvoltageof1200VorDCvoltageof150Low-voltageelectricalappliances(2photos)0V.Commonlow-voltagedevicesincludeswitches,...

BasicconceptsThespecificmanifestationsofthenatureofmoneyaregraduallybeingcompletedwiththedevelopmentofthecommodityeconomy.Commodityexchangeisgraduallytransformedfrombarterexchangetocommoditycirculatio...

PhysiologicalcharacteristicsThisproductisamassiveaggregate,inanirregularblockshape,orslightlysquare,withmanyedgesandcorners.Gray-blackortan,blackwithstreaks,withmetallicluster.Weight,hardtexture,irreg...

IntroductiontothemagazinePlaceofpublication:LanzhouCity,GansuProvinceLanguage:ChineseInternationalStandardIssueNumber:0254-6094p>Domesticunifiedjournalnumber:62-1041/TQPostalcode:54-22Currentjourna...

IntroductionTheEnglishwordformultimedia(duōméitǐ)isMultimedia,whichconsistsoftwoparts:mediaandmulti.Generallyunderstoodastheintegrationofmultiplemedia.DescriptionInformationdescriptionMediaisaninterme...

BasicintroductionPWMswitchingpowersupplyworksinhardswitchingmode(thevoltagedrop/riseandcurrentrise/fallwaveformsoverlapduringtheon/offprocess),sotheswitchinglossislarge.Althoughhighfrequencycanreducet...