相關接力賽的英語章節
> 列表雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(38)
2015-10-01HeconversedwithEdwardTravis,Denniston'sdeputy,aboutthecurrentcryptanalyticproblems.他與丹尼斯頓的副手愛德華·特拉維斯交談,聊到目前的密碼分析問題。Travisposedthefarmoreambitiousproblemoftheautomatic......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(29)
2015-10-01Thismethoddependedforitssecurityuponthefactthatthering-settingwouldbevaryingfromdaytoday,forotherwisethefirstthreeletters(AGH,intheexample)wouldgivethewholethingaway.這種方法的安全性在於,每天都有不同的......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(71)
2015-09-29Apartfromtheirsheerbulk,thetextsteemedwithobscurities—abbreviationsforunitsandequipment,mapandgridreferences,geographicalandpersonalcodenames,pro-formas,Servicejargonandotherarcanereferences.信息中除......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(6)
2015-10-03Oneimportanttypeofcipherusedtheideaof'modularaddition',butinsteadoffixednumber,itwouldbeavaryingsequenceofnumbers,formingakey,thatwouldbeaddedtothemessage.有一種很重要的密碼技術,仍然使用模加的......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(17)
2015-10-02Thesecouldbewrittenasswappings:(AE)(BD)(CG)(FH)inthefirstcaseand(AE)(BF)(CG)(DH)inthesecond.這些可以寫成對換的形式:在第一個例子中是(AE)(BD)(CG)(FH),第二個例子中是(AE)(BF)(CG)(DH)。TherewasapracticaladvantagetothisEnigm......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(7)
2015-10-03Onewayofdoingthiswasbymeansoftheone-timeprinciple.其中一個重要的原則,叫作一次性原則。Thiswasoneofthefewsoundideasof1930scryptography,aswellasthesimplest.對於30年代的密碼技術來說,這是一個簡單又實用的方法......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(25)
2015-10-01Thestrengthwasthateverymessage,afterthefirstsixletters,wasencipheredonadifferentsetting.這樣做的優點是,每個信息在開頭六個字母之後,都是以不同的盤位設定進行編碼的。Theweaknesswasthatforoneday,alltheoperat......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(33)
2015-10-01Theseweresimplytablesofallthecore-positions,inwhichinsteadofprinting'hasafemale'or'hasnofemale',therewouldeitherbeaholepunched,ornot.這是一套所有核位的卡片,上面並不是寫着"有母雞"或"無母......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(83)
2015-09-29Theconclusiondrawnwouldalwaysdependupontheαpriorilikelinesswhichtheexperimenterhadhadinmindatthebeginning.得到的結論,總是取決於實驗者一開始的先驗假設。Togiveaconcretefeeltothetheory,Alanlikedtothinkin......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(70)
2015-09-29Bythattime,however,theGermanforceswereattheSommeandclosingonDunkerque.然而在那個時候,德軍已經到達索姆河,並繼續向敦刻爾克挺進了。TheBletchleysuccessdidnotcomesoonenoughtorevealGermanintentionsduringthefi......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(147)
2015-09-27AwholedaypassedbeforePeterHiltonfoundoutwhathewastheretodo.過了一整天之後,彼得·希爾頓才知道這裏到底是幹什麼的。Alanremained'theProf,butgently,subtly,HughAlexanderbecamemoreandmorethedefactohead.艾......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(15)
2015-10-02Thismechanismwasnot,initself,aleapintoanewdegreeofsophistication.這種機器本身並沒有產生什麼質的飛躍。TherewasalsoawarningsoundedbyRouseBallintheold1922editionofhisbookthatAlanhadstudiedatschool:勞斯·......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(127)
2015-09-27AstheytalkedaboutgamesatBletchley,somethingofthatlocked-inminimaxlogicofcombatwasdevelopingoutontheAtlantic,strategyforcingcounter-strategy,weaponforcingcounter-weapon,detectionforcingcounter-detectio......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(64)
2015-09-29Indeedthiswasso;thePolishrevelationshadonlygivenGCandCSsevenmonthsstartinthisrespect,for'ThreeEnigmawheelshadbeenrecoveredfromthecrewofU-33inFebruary1940.'實際上也確實如此,7個月後,波蘭在1940年2......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(11)
2015-10-02Andseriouscryptanalysisconsistedoftheworkofrecoveringthem;reconstructingtheentiremechanicalprocesswhichthecipherclerksperformed,throughananalysisoftheentiremassofsignals.密碼分析包括了對規則本身的研究......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(86)
2015-09-28Theconclusiondrawnwouldalwaysdependupontheαpriorilikelinesswhichtheexperimenterhadhadinmindatthebeginning.得到的結論,總是取決於實驗者一開始的先驗假設。Togiveaconcretefeeltothetheory,Alanlikedtothinkin......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(72)
2015-09-29Noprecedentexistedfora'cornucopianabundance',andnomeansexistedformakinguseofit.這種解密沒有先例可循,也不知道該如何進行。In1940theimmediateproblemwasthatofconvincinganyoneoftheinformationthereby......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(76)
2015-09-29NoneofthiswasquitewhatChurchillhadinmindwhencallingtheBritishpeopletobracethemselvestotheirduties,orspeakingoftheEmpirethatmightlastathousandyears.丘吉爾完全沒想過這些,他號召英國人民謹守自己的責任,還說......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(136)
2015-09-27On18Novemberthechiefofthesecretservicereportedthateverypossiblemeasurewasbeingtaken;11月18日,情報局首領報告說,已經採取了所有可能的措施。thoughthearrangementswerenotthenentirelycompleted,Bletchley'sn......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(120)
2015-09-27Reducingthefigureofthirtytoameretwoforthesakeofadiagram,theplayer(White)makingathree-movelook-aheadisconfrontedbya'tree'suchas:爲了簡化圖表,我們把30種着法減少爲2種,白方如果要往前看三步,那麼就面臨......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(58)
2015-09-29ItwastheseawarthatwouldbecomeAlan'sparticularprovince.海戰將成爲艾倫的特別職責。Inearly1940thedifferentEnigmasystemsweredividedamongthechiefcrypt-analysts,whowereallocatedhutsoutsidetheBletchleyma......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(87)
2015-09-28Theconclusiondrawnwouldalwaysdependupontheαpriorilikelinesswhichtheexperimenterhadhadinmindatthebeginning.得到的結論,總是取決於實驗者一開始的先驗假設。Togiveaconcretefeeltothetheory,Alanlikedtothinkin......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(121)
2015-09-27Thisbasicideacreateda'machine'thatcouldeffectadecisionprocedurebearingsomerelationtohumanintelligence.這個基本想法創造了一個機器,這個機器可以實現一個類似於人類智能的決策行爲。Itwassmallbeercomp......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(24)
2015-10-01Thisamountedtochoosingsometripletofletters,say'WHJ'.也就是要設定一個三位的字母串,比如WHJ。Themostnaiveindicatorsystemwouldhavebeensimplytotransmit'WHJ',andfollowitwiththeencipheredmessa......
雙語暢銷書《艾倫圖靈傳》第5章:解謎接力賽(27)
2015-10-01Thisobservationshowedthatinaratherbeautifulwaytherotorpositionslefttheirfingerprintsuponthecipher-text,whenthetrafficwasconsideredasawhole.這項觀察表明,如果把整個通信系統看作一個整體的話,盤位會在密文中......