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

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

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

TypeintroductionHandheldscanninggunThehandheldscanninggunisaproductformedbytechnologylaunchedin1987.ItlooksverysimilarThesupermarketcashieristhesameasthebarcodescannerusedinhishand.Themajorityofhandhe...

Подробно обяснение на цитатитеЕзик;Стандарт.TangLiuYuxi's"OntheAbandonmentofChuzhouYingtianTable":"Император Мингс вижда най-малките,недостатъците на Тегес...Но смята,чеброят полета е голям,земята...

SynonymNine-yearcompulsoryeducationgenerallyreferstocompulsoryeducationHistoryCompulsoryeducationoriginatedinGermany.ReligiousleaderMartinLutherwasthefirsttoputforwardtheconceptofcompulsoryeducation.A...

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

OverviewInformationexchangereferstotheprocessofdatainteractionbetweendifferentinformationentities.Itsgoalistorealizedatasharinginaheterogeneousenvironment,therebyeffectivelyusingresources.Improvethepe...

OriginAmericanpsychologistMaslow’shierarchyofneedstheoryproposedinhisbook"TheoryofMotivation"in1943thathumanneedscanbedividedintofivelevels.TheyThesequenceis:physiologicalneeds,safetyneeds,socialneeds...

Професионални маркетингови функции за книгата и аудио-визуалния пазар, за абонамент, резервация, поръчка, складиране, складови връщания, инвентаризация, клиентски резервации, търговия на дребно, продажби на едро, поръчка за попълване...

ConceptHigh-techenterprisesrefertothedevelopmentofnewfieldsthroughscienceandtechnologyorscientificinventions,orinnovativeoperationsintheoriginalfields.Onthebasisofdefiningthescopeofhigh-techindustries...

DefinitionPsychologicalactivityreferstotheprocessofinformationrecognition,coding,storage,extractionandapplicationthroughthephysiologicalprocessesofthehumanbrain.Itistheprocessbywhichthehigh-levelneura...

Synonymousanti-counterfeitinglabelsgenerallyrefertoanti-counterfeitinglabels.IntroductionAnti-counterfeitinglabelscanbepasted,printed,ortransferredonthesurfaceofthesubjectmatter,oronthepackagingofthes...

IntroductionIncryptanalysis,aknownplaintextattackisanattackmode,whichmeansthattheattackerhasmasteredacertainsectionofplaintextxandthecorrespondingciphertexty.Inallcryptanalysis,itisassumedthattheattac...