2023年全國碩士研究生考試考研英語一試題真題（含答案詳解+作文范文）_第1頁
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1、WidebopticalfiberaccesswktrendofdevelopmentFirstthisarticleintroducethewldbroadbaccesswktheconditionofdevelopsthemainapplicationnextnarratedthewidebopticalfiberaccesswkmerit.Withemphasishasoncemeanalyzedthewidebpointtopo

2、intactiveEtheropticalfibersystemthewidebtothepassiveopticalfibersystemacteristictheapplication.Meetsdownproposedourcountryopticalfiberaccesswksendschem.possibletosurmountAPONBPONtheEPONstagestartsfromthewidebpointtopoint

3、EtheropticalfibersystemGEPONfinallyeventransitstotheGPONstagepreliminaryidea.Finallyanalyzedthedevelopmenttrendofopticalfibercommunicationstechnologyfromeachangle.ThebroadbaccesswkdevelopsconditionmainapplicationInfactlo

4、okingfromthetelecommunicationdevelopmenthistywhenthewknumberofusersachievescertainscale.Eachkindofapplicationmeetsthenatureproductionthisalsoissocalledstepsthecufflawmighttobeespecially.Inthehistyonekindoftechnologysince

5、birthhasnotbeenhavingabigpileofapplicationregardlessofisthemobilecommunicationtheInteronitsshtnotethebrowsingthechatssoonthekeyapplicationsallisdevelopscertaindegreeaftertheuserscaletoproducenaturallybutisnotsedulouslyde

6、signsbefehplans.Sincehasenteredfthe21stcenturythewholewldbroadbaccesswkenteredthebigdevelopmentphase.To2004yearsendthetotalnumberofusersalreadyachieved150000000becameintheelectricityreliablehisticalaccounttodeveloponeofq

7、uickesttelecommunicationservicesevenwasalsoquickerthanthemobileservice.Fexamplethewholewldmobileservicefrom10000000developedto100000000hasspentf5.5yearsbutthebroadbaccessservicehasonlyusedf3.5years.AccdingtotheIDCfecasti

8、n2007theglobalwidebtotalusermayachieve209000000inwhich9.9namelyabout20000000usersfopticalfiberaccesswk.inferitoUSsinwhichleadershiptechnologyisonlyADSLprobablyaccountsfabout70%nextistheEthertechnologybutalsohasfewwidebwi

9、relessturningonelectriccablemodemturningonalsooccupiesregardingtheFTTHtechnologythetrackstagetheminitydevelopedcityalreadywasalsostartingtoconsidertoexperimenteachkindofFTTHItechnology.Lookingfromthewidebapplicationthata

10、ccdingtotheAmericanMaiKenxiCompanysnewestanalysistheinitialperiodwidebapplicationmainlyisthehighspeedsurfermaymakethesurferthetimetoincreaseapproximately30%.Hereafteralongwiththeservicelargescaledevelopmentdevelopsthepow

11、erwhichthenewservicebecomescontinuestodevelop.AccdingtoAmericanBHKCpationdemonstratedin2004investigationresultthatin2003theAmericanfirstfivewidebexpensewasonthegamblestheadultprogramthegamemusicdownloadingtheionbroadcast

12、televisionhadobviouslytotheexpenseclassinclinetendency.Needstopointoutthatdiscussesneedstopayattentiontoinabasicunderstingusingtheactuationtheerroneouszonenamelycannotplacehopesinartificiallystudiesbefehdevelops12itemsso

13、called“theAssassinsmaceapplication”promotedapplication.Infactlookingfromthetelecommunicationdevelopmenthistywhenthewknumberofusersachievedcertainscaleeachkindofapplicationmeetsthenatureproductionthisalsoissocalledstepsth

14、eCufflawmighttobeatespecially.InthehistyonekindoftechnologysincebirthhasnotbeenhavingabigpileofapplicationregardlessofisthemobilecommunicationtheInteronitsshtnotethebrowsingthechatssoonthekeyapplicationsallisdevelopscert

15、aindegreeaftertheuserscaletoproducenaturallybutisnotsedulouslydesignsbefehplans.WidebopticalfiberaccesswksuperiityAlongwiththeopticalfiberinthetollwkthemetropolitanareawkeventheaccesswkbranchsectionmassiveapplicationsthe

16、logicaltrendofdevelopmentwillbecontinuestotheaccesswktomatchthelinesegmenttodirecttheinletparttoextendthekeyisadvancesthespeedquicklyThiswillbedecidedbymanykindsoffactsincludingthemarketdemthecompetitionneedtheapplicatio

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