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Washington University
27/01/2022 1358
Washington University

RecentdevelopmentsOnApril3,2019,UniversityofWashingtoncomputerprofessorShwetakPatelwonthe2018ACMComputerAwardforhisimportantcontributionstotheInternetofThingsandmedicalfields.TheACMComputerAwardandthe...

PROLOG language
26/01/2022 1532
PROLOG language

IntroductionAlogicprogramminglanguage.In1972,inordertoimprovetheexecutionefficiencyoftheresolutionmethod,theFrenchComorauerteamdevelopedaprogramexecutorforthetheoremprovingprogram,namedPROLOG(Programm...

Medical polymer materials
26/01/2022 1155
Medical polymer materials

MaterialpropertiesAccordingtothematerialproperties,medicalpolymermaterialscanbedividedintotwocategories:non-degradableandbiodegradable.Amongthem,non-biodegradablematerialsinclude:polyethylene,polyprop...

Non-tariff barriers
25/01/2022 1420
Non-tariff barriers

MainformsNon-tariffbarriershavevariousformsandaremorehidden.AccordingtothepracticeoftheUS,EUandotherWTOmembers’tradebarrierinvestigations,non-tariffbarriersaremainlymanifestedinthefollowing12forms:1.C...

Multicast
25/01/2022 1422
Multicast

GeneratebackgroundGenerally,intraditionalnetworkcommunication,therearetwoways,oneisthe"one-to-one"betweenthesourcehostandthetargethost.Thecommunicationmethodisunicast.Thesecondisthecommunicationbetwee...

Public Telegraph Network
24/01/2022 1318
Public Telegraph Network

IntroductiontoTelegramNetworkTelegramNetworkisatelecommunicationsnetworkthatopenstelegramservicesforthetransmissionoftext,images,photos,documentsandotherinformation.Itisacommunicationnetworkthatconnec...

social relationship
24/01/2022 1259
social relationship

MeaningFromtheperspectiveofbothsidesoftherelationship,socialrelationshipincludestherelationshipbetweenindividuals,therelationshipbetweenindividualsandgroups,andtherelationshipbetweenindividualsandthec...

Resin Matrix Composite
23/01/2022 1275
Resin Matrix Composite

IntroductionThecommonlyusedresinsforfiberreinforcedresinmatrixcompositesareepoxyresinandunsaturatedpolyesterresin.Commonlyusedare:thermosettingresins,thermoplasticresins,andvariousmodifiedorblendedbas...

Positron
23/01/2022 1347
Positron

Thesynonymouspositrongenerallyreferstothepositron.IntroductionWhenaheatedpositroncollideswithanelectron,itmaytemporarilyformapositronandanegativeelectronbeforeannihilationoccurs.Theneutralboundsystem(...

Public key
22/01/2022 1397
Public key

IntroductionPublickeysarealsocalledasymmetrickeys.Everyonehasapairofuniquekeys:publickey(referredtoaspublickey)andprivatekey(referredtoasPrivatekey),thepublickeyisdisclosedtotheoutsideworld,andthepriv...

Data layer
22/01/2022 1358
Data layer

OverviewThedatalevel(datalevel)referstooneoftheASP.NETthree-tiersystems,includingthedatalayer,businesslogiclayerandpresentationlayer.WhenusingASP.NETtechnologytodeveloplargeandmedium-sizedapplications...

Global Positioning System
21/01/2022 1198
Global Positioning System

ThesynonymGPS(word)generallyreferstotheGlobalPositioningSystem(positioningsystemforhigh-precisionradionavigation)OverviewGPSwasdevelopedbytheUnitedStatesinthe1970sandlasted20yearsandcost200Itisanewgen...

Ancient society
21/01/2022 1367
Ancient society

IntroductionThebook"AncientSociety"includes1preface,4maintexts,andatotalof26chapters.Thebookthoroughlyandsystematicallystudiesthedevelopmentprocessofmankindfromtheageofignorancethroughtheageofbarbaris...

Quantitative analysis method
20/01/2022 1411
Quantitative analysis method

Introduction"QuantitativeAnalysisMethod"isoneof"MPAEducationSeriesofNanjingUniversity".Withthedevelopmentofsociety,peoplemustconsidertherelevance,systemandcomprehensivenessofthingsinanydecision-making...

Error message
20/01/2022 1198
Error message

Specificerror600~625600Anoperationispending.601Aninvalidporthandlewasdetected.Theportspecifiedby602isalreadyopen.603Thecaller'sbufferistoosmall.604Wronginformationwasspecified.605Cannotsetportinformat...