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Unified domestic issue
28/03/2022 870
Unified domestic issue

DevelopmentHistoryBefore1988,thepublicationmanagementofnewspapersandperiodicalsinmycountrywasmainlymanagedbythepublicitydepartmentsofvariousprovinces,autonomousregions,andmunicipalitiesdirectlyunderth...

second hand
28/03/2022 989
second hand

Englishexplanationsecond-handa.Old,usedCanbeusedasnouns,adjectives,andadverbsp>ChineseexplanationDictionaryexplanationSecond-hand(4photos)Pinyin:èrshǒuSecond-hand,used,old(~er)referstoindirect;what...

Tube computer
27/03/2022 976
Tube computer

IntroductionAlthoughthefirstgenerationofelectroniccomputersseemstobequiteclumsy,bulky,highVigorouschangeshavetakenplaceinsociallife.Thefirstgenerationofelectroniccomputersreferstotheelectroniccomputer...

Next-generation information technology
27/03/2022 1191
Next-generation information technology

IntroductionInthe“TwelfthFive-YearPlan”,itisclearthatstrategicemergingindustriesarethekeyobjectsofnationalsupportinthefuture.Amongthem,informationtechnologyhasbeenestablishedasoneofthesevenstrategicem...

Ted Hoff
26/03/2022 1102
Ted Hoff

ThesynonymHoff(Americanscientist)generallyreferstoTedHoff.PersonalprofileTedHoff,bornonOctober28,1937inRochester,NewYork,USA(Rochester),thefatherofthemicroprocessor(CPU).OnNovember15,1971,IntelCorpora...

Turing Award
26/03/2022 1066
Turing Award

AwardsintroductionTheTuringAward,thefullnameoftheAMTuringAward(AMTuringAward),isacomputerawardestablishedbytheAmericanComputerSociety(ACM)in1966.ThenameistakenfromAlanM.Turing(AlanM.Turing),whichaimst...

Store and forward
25/03/2022 968
Store and forward

Store-and-forwardprocessStore-and-forwardisatraditionalforwardingmethod,andoneoftheearliestusedforwardingmethods.Thefigureisastructurediagramofadataframe.Thedataenterstheswitchfromlefttorightinthefigu...

Cloud storage service
25/03/2022 900
Cloud storage service

IntroductionMostservicesarebasedonthepublicstoragemodel.Publiccloud(publiccloud)storageservicesareusuallysuitableforunstructureddatathatisnoteasytochangecontinuously.Thisarchitectureusuallyincludesche...

Military commander
24/03/2022 940
Military commander

BriefintroductionDuringthelongyears,war,asoneoftheformstopromotethehistoricalprocess,isalwaysaccompaniedbythedevelopmentofsocialcivilization,andthetimeofwarcanalwaysbringaboutitProduceagroupofoutstand...

Statistical linguistics
24/03/2022 815
Statistical linguistics

Editor’srecommendationResearchfieldsTheresearchfieldsofstatisticallinguisticscurrentlymainlyincludethefollowingaspects:①TheworkofstatisticallanguageunitsFrequencyofappearance,suchasstatisticalresearch...

Packet switched network
23/03/2022 908
Packet switched network

IntroductionPacketSwitchedDataNetwork(PSDN)technologyoriginatedinthelate1960s,withmaturetechnologyandcompleteregulations,andiswidelyusedincountriesallovertheworld.Thebackbonenetworkofmycountry'spublic...

Three lines of defense
23/03/2022 784
Three lines of defense

Themaintaskistopreventcriminalsorcriminalsuspectsincustodyfromescaping,assault,sabotage,riotsandriots,preventandcombatcriminalactivitiessuchascriminalsattackingdutytargets,robcriminalsorcriminalsuspec...

Chemical etching
22/03/2022 969
Chemical etching

IntroductionChemicaletchingEtchingisatechniquethatremovesmaterialsbychemicalreactionorphysicalimpact.Etchingtechniquescanbedividedintotwotypes:"wetetching"and"dryetching".Usuallyreferredtoasetchingisa...

number
22/03/2022 1048
number

Birthanddevelopment"Number"istheconceptofmeasuringthings.Itistheconsciousexpressionofthequantitythatexistsobjectively."Numbers"originatedfromthesymbolsusedbyprimitivehumanstocountandformnaturalnumbers...

collision
21/03/2022 1032
collision

ExplanationThephenomenonthattwoobjectsinrelativemotioncontactandquicklychangetheirmotionstate.Itcanbethecollisionofmacroscopicobjects,suchastamping,forging,hittingtheball,etc.,orthecollisionofmicrosco...