
BasicintroductionSystemadministratorsMainlydividedintonetworksystemadministratorsandinformationsystemadministrators.Thenetworksystemadministratorismainlyresponsibleforthedesign,installation,configurat...

BasicinformationHistoricalevolutionLateQingDynasty/PeiyangUniversityPeriodQinZiNo.1Diploma(2photos)ThepredecessorofTianjinUniversity,BeiyangUniversity,wasfoundedaftertheSino-JapaneseSino-JapaneseWarof...

DefinitionoftermsNanoscienceandtechnologyisanappliedsciencethatstudiesthedesignmethods,composition,characteristics,andapplicationsofmaterialsandequipmentatthenanometersize(1~100nm).Theoriginalideaof...

HistoricaldevelopmentWhendidthehumansocietybegintohavemusic,itisnolongerpossibletoinvestigate.Butlongbeforehumanshadproducedlanguage,theyalreadyknewhowtousethestrengthofvoicetoexpresstheirmeaningsandf...

SynonymsteppermotorgenerallyreferstosteppermotorIntroductionSteppermotorisalsocalledpulsemotor,basedonthemostbasicprincipleofelectromagnet,itisakindofelectromagnetthatcanrotatefreely,Itsoperatingprinc...

SynonymSiemensgenerallyreferstoSiemensAG.DevelopmentHistoryFoundingofthecompanyOctober1,1847,ErnstWernervonSiemens(ErnstWernervonSiemens))Thecompanywasfoundedonthebasisofthetelegraphtechnologythathein...

40thAnniversaryTheThirdPlenarySessionoftheEleventhCentralCommitteeDengXiaopingDengXiaopingTheorySeektruthfromfactsDiscussiononthestandardoftruthXiaogangVillageLargecontractingFourbasicprinciplesThirty...

PromulgationoftheRegulationsThe18thExecutiveMeetingoftheStateCouncilwaspassedonAugust20,2003.PromulgatedbyOrderNo.390oftheStateCouncilonSeptember3,2003,itwillcomeintoforceonNovember1,2003.Amendmentinf...

BasicinformationHistoricalevolutionTracetotheoriginofthepredecessorInitialConstruction1.NorthChinaTaxationSchool,CentralTaxationSchoolGroupphotoofgraduatesfromtheCentralFinanceCadreSchoolin1956(3photo...

ThenatureofgeneticmaterialDefinition:Thematerialthattransmitsgeneticinformationbetweenparentsandoffspring.Chemicalnature:ExceptforsomeviruseswhosegeneticmaterialisRNAandprionswhosegeneticmaterialispro...

SalientfeaturesThekeyfeaturesoftheGestaltsystemareintegrity,specificity,organizationandconstancy.TheGestaltschoolmaintainsthattheoperatingprincipleofthehumanbrainisthewhole,"thewholeisdifferentfromthe...

BasicmeaningDecision-makingisakindofbehaviorthatpeoplegenerallyexistinpolitics,economy,technologyanddailylife;decision-makingisanactivitythatoftenoccursinmanagement;decision-makingisdeterminedMeaning,...

ProfessionaldefinitionComputernetworktechnologymainlystudiesthebasicknowledgeandskillsofcomputernetworksandnetworkengineering,andconductsnetworkinstallationandmaintenance,networkmanagement,networksoft...

Information"When I look at the world, I am a pessimist; when I look at the people in this world, I am an optimist."-Rogers (CarlRansomRogers ) (1902-1987) (Picture 1 is Rogers). Before humanism, there...

SynonymopticalfibergenerallyreferstoopticalfiberclassificationOpticalfiberabbreviatedasopticalfiberTheclassificationofopticalfiber,Forexample:FiberAmplifierorFiberBackboneandsoon.Somepeopleignorethata...