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雙語暢銷書《艾倫圖靈傳》第9章:退隱山林(77)

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As it was, the interval 2π.632 <t <2π.642 was investigated during that period, and very little more was accomplished:

雙語暢銷書《艾倫圖靈傳》第9章:退隱山林(77)
計算機檢查了2π632<t<2π642(圖)這個區間,基本上只有這些。

interval 1414<t <1608 was (also) investigated and checked, but unfortunately at this point the machine broke down and no further work was done.

……對1414<t<1608這個區間也進行了檢查,但不幸的是,就在這個節骨眼上,機器出了故障,無法繼續計算。

Furthermore this interval was subsequently found to have been run with a wrong error value, and the most that can consequently be asserted with certainty is that the zeros lie on the critical line up to t = 1540, Titchmarsh having investigated as far as 1468. ...

他們隨後發現,在t=1540之前的區間內,零點全部位於特定的直線上,而在這之前,蒂施馬奇只檢查到了t=1468……

This was an unusual joint exercise, on which Kilburn stood by all night.

這項實驗是一次不同尋常的合作,吉爾博整個晚上都陪在旁邊,

Alan would hold up the output teleprinter tape to the light to read: The content of a tape may afterwards automatically be printed out if desired (sic) ... the output consisted mainly of numbers in the scale of 32 ing the most significant digit on the right.

圖靈拿着輸出的電傳紙帶到燈光下面去看:根據需要,紙帶的內容可以自動打印出來……輸出的結果主要是32進制數……最高位在右邊。

More conventionally the scale of 10 can be used, but this would require the storage of a conversion routine, and the writer was entirely content to see the results in the scale of 32, with which he is sufficiently familiar.

更方便的10進制也是可以實現的,但是這需要對存儲過程進行轉換,使用者對32進制結果感到完全滿意,他對此非常熟練。

Another old score, that of the Enigma, was also paid off at about this time:

還有一個曾經的想法是關於謎機的,現在是時候了結它了:

I have set up on the Manchester computer a small programme using only 1000 units of storage, whereby the machine supplied with one sixteen figure number replies with another within two seconds.

我在曼徹斯特計算機上實現了一個小程序,它只佔用1000個存儲單元,輸入一個16位的數,機器可以在2秒內輸出一個新的16位數。

I would defy anyone to learn from these replies sufficient about the programme to be able to predict any replies to untried values.

我確信任何人都無法根據輸出來推斷該程序的過程,因此也無法猜測其它輸入數的輸出結果。

He had, in other words, devised a cipher system which he reckoned impregnable even with the help of known plain-text.

簡單地說,圖靈設計了一個加密系統,並認爲這個系統即使在明文被截獲的情況下,也無法破解。

There were some other hints of a continued interest in cryptology.

還有其它的線索,暗示着他對密碼學的持續的興趣。

Another item that he demanded from the engineers as a hardware function of the Mark I Ferranti machine was what they called a 'sideways adder'.

他要求弗蘭蒂公司的馬克1號具備一個硬件設備,這個設備被他們稱爲"橫向加法器"。