ClassificationSimpleArithmeticAverage(1)Applicable:Mainlyusedforungroupedrawdata.SupposeasetofdataisX1,X2,...,Xn,thesimplecalculationformulaofarithmeticmeanis:(2)Example:Asalesteamhas5salespeople,andt...

BasicinformationHistoricalevolutionTheoriginofthepredecessorOriginalHangzhouInstituteofCommerceOnehundredyearsofvicissitudesofZhejiangGongshangUniversity(17photos)ThethreeyearsofXuantongintheQingDynas...

IndustrialRevolution(IndustrialRevolution)Theemergenceandwidespreaduseofsteamengineshavealsopromotedthemechanizationofotherindustrialsectorsandcausedacomprehensivereformofengineeringtechnology.Inindus...

TheabovecontentisreviewedandannouncedbytheNationalScientificandTechnologicalTermReviewCommitteeIntroductionB2CmeansthatenterprisesprovideconsumerswithanewtypeofShoppingenvironment-onlinestores(excelle...

Interpretation【Title】Narrow【Pronunciation】xiázhǎi【Meaning】Narrow;narrow,notwide.[Example]Narrowbays,narrowborders,narrowroads,narrowmindedness.[Synonyms]narrow,narrow[an...

Workcontent1.Guidethedevelopmentofnewproductsaccordingtointernationalstandards,arrangeandimplementvariousqualitycertificationsrequiredbytheproducts;2.Thecertificationbody'sdeclarationinvolveschangesin...

ContentTheconceptofrhymecomesfrompoetry.Sincepoetry,therehasbeenthefactofrhyme,buttherewasnoconceptofrhymeinancienttimes.Therefore,GuYanwusaid,"IfthereisnorhymeinbooksfromtheHanandWeiandabove,knowingt...

DefinitionThedatatableisanimportantobjectofthedatabaseandthebasicunitforstoringdata.Afterthetablestructureiscreated,itinvolvesinsertingnewdataintothetable,aswellasmodifyinganddeletingexistingdata,whic...

DefinitionThiskindofoutputcanbeexpressedintheformofphysicalobjectsorvalue.Theconceptoflaborefficiencycanbeappliedtoallsocialandeconomicsectors.Theterm"laborproductivity"iscommonlyusedinthefieldofmater...

LexiconInterfacePinyinjiēkǒuBasicvocabularyexplanation(1)[takeupsb.'sremark]:Followingotherpeople'swords[say]Assoonasmother'swordsfell,shetalkedthroughtheinterface(2)[interfac...

IntroductionMolybdenumisametalelementdiscoveredrelativelylate.ItwasonlyextractedfrommolybdenitebySwedishchemistsin1792.Becausemetalmolybdenumhastheadvantagesofhighstrength,highmeltingpoint,corrosionre...

TypeintroductionHandheldscanninggunThehandheldscanninggunisaproductformedbytechnologylaunchedin1987.ItlooksverysimilarThesupermarketcashieristhesameasthebarcodescannerusedinhishand.Themajorityofhandhe...

DetailedexplanationofcitationsLanguage;Standard.TangLiuYuxi's"OntheAbandonmentofChuzhouYingtianTable":"EmperorMingseestheslightest,thedisadvantagesofTeges...Butalthoughthenumberoffieldsislarge,theland...

SynonymNine-yearcompulsoryeducationgenerallyreferstocompulsoryeducationHistoryCompulsoryeducationoriginatedinGermany.ReligiousleaderMartinLutherwasthefirsttoputforwardtheconceptofcompulsoryeducation.A...

IntroductionThe"TangPoetryClassGarden"compiledbyZhangZhixiangistheso-called"allTangpoems".Afterwards,aseveryoneknows,therewere129volumesofMingHuZhenheng’s"TongYinTongqi",QingxiuZhenyi’s"TangPoetry"770...

OverviewInformationexchangereferstotheprocessofdatainteractionbetweendifferentinformationentities.Itsgoalistorealizedatasharinginaheterogeneousenvironment,therebyeffectivelyusingresources.Improvethepe...