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measuring system
measuring system

FunctionAmeasurementsystemisacollectionofinstrumentsorgauges,standards,operations,methods,fixtures,software,personnel,environmentandassumptionsusedtoquantitativelymeasureorqualitativelyevaluatethemeas...

dial
dial

DefinitionDial-upisthemethodandprocessofusingtelephonelinestoconnecttotheInternet.Inordertousethedial-upmethodtoconnecttotheInternet,thehardwaredevicethatneedstobeequippedisamodem,whichisusedtoconvert...

Optical fiber technology
Optical fiber technology

CompletepowertransmissionfunctionU.S.Lariancompanysuccessfullycompletedthepowertransmissionfunctionusingopticalfiber,openingupanewwayinthepowerfield.Theyusesemiconductorlaserdiodesatthetransmittingend...

Online education
Online education

Synonymousonlineeducationgenerallyreferstoonlineeducation.BasicoverviewOnlineeducationisE-Learning,anditspopularconceptwasproposedabout10yearsago.XiaoGang,thelearningcoachofZhixingtang-Learningisdefin...

Motorola
Motorola

BrandintroductionMotorolausesradio,broadbandandtheInternet,andprovidesembeddedchipsystems,aswellasend-to-endoverallnetworkcommunicationsolutionstostrengthenindividuals,workgroups,Theabilitytocontrolan...

history
history

BroadandnarrowsenseHistoricalrelics(11photos)Historyreferstothedevelopmentprocessoftheobjectiveworldmovement,whichcanbedividedintonaturalhistoryandTherearetwoaspectstothehistoryofhumansociety.Forexamp...

refraction
refraction

BasicdefinitionWhenlightentersanothertransparentmedium(suchaswater)obliquelyfromatransparentmedium(suchasair),thepropagationdirectiongenerallychanges.Thisphenomenoniscalledopticalrefraction.Alsoknowna...

American philosophy
American philosophy

PhilosophyinAmericanPublicLifeIntroductiontoPhilosophySinceancienttimes,peoplehavenotstoppedthinkingabouttheworldtheylivein,butsomepeopleTurnthiskindofthinkingintoafixedwayofthinkingandregarditasarese...

Federal Republic of Germany
Federal Republic of Germany

IntroductionTheFederalRepublicofGermany(3photos)TheFederalRepublicofGermanyislocatedincentralEurope,withtheGermanDemocraticRepublicandtheCzechRepublictotheeast,andAustriaandSwitzerlandtothesouthItisbo...

University of Texas at Austin
University of Texas at Austin

BasicInformationSchoolHistoryIn1827,whenTexaswasastateofMexico,itwasplannedintheConstitutionEstablishpublichighereducationinstitutions.In1836,aftertheindependenceoftheRepublicofTexas,theissuedconstitu...

Quick heating electric water heater
Quick heating electric water heater

AdvantagesNopreheatingisrequiredItisreadytouse,andhotwatercomesimmediatelywhenthewatergateisopened.Itisfastandconvenient,suitableforthefast-pacedlifeofmodernpeopleneed.Itisverysuitableforordinaryfamil...

Pruning
Pruning

PurposeandfunctionThecrownoffruittreesexpandswiththegrowthofthetreeage,andtoomanybranchesandleaveswillinevitablycausetheconsequencesofdenseouterspaceandinnerspace,prematuredecayofthetree,serioussizean...

Network operators
Network operators

BasicintroductionNetworkoperatorsincludetelecomoperators,whichareentitiesthatconductnetworkoperationsandprovideservices.ThenetworkproviderreferstothenetworkproviderWhetheritisafixednetworkoperator,amo...

Visualization technology
Visualization technology

IntroductionWhatisvisualization?Thelargeamountofdatageneratedbyawidevarietyofinformationsourcesfarexceedstheabilityofthehumanbraintoanalyzeandinterpretthesedata.Duetothelackofeffectiveanalysismethodsf...

demand analysis
demand analysis

GoalRequirementanalysisisanimportantactivityinthesoftwareplanningstage,andanimportantlinkinthesoftwarelifecycle.Thisstageistoanalyzewhatthesystemneedstoachieveinfunction,notConsiderhowto"realize".Theg...

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