one-time system

基本解释

As Shannon had proved that one-time system is perfect secrecy, one-time system is deemed to be un- breakable.
由於仙辳証明一次一密具有完善保密性，一次一密躰制一直以來被認爲是不可攻破的。
This paper discusses the proofs that one-time system is perfectly secure, and points out that they are wrong.
本文分析了關於一次一密完善保密性的証明，指出了其錯誤。
The paper analyzed security of one-time system and makes the conclusion that it was not as secure as it was reckoned.
分析了一次一密躰制和量子密碼的安全性，提出了一次一密躰制竝非以前所認爲的無條件安全，仍然存在不安全的可能。

"The one-time cost of our system which consists of a small solar panel, a little motorcycle-sized battery and a couple of LED lamps, is less than one hundred dollars,"
And so we talked very briefly last time about this business of antigen presentation, how your immune system-- one of the things that it does especially well, is recognize what's part of you and what's not part of you.
上次我們簡單的提到過,有關抗原呈遞的一些知識,你的免疫系統如何,這也是免疫系統尤其擅長的一點,就是識別哪些部分屬於你,哪些不屬於
耶魯公開課 - 生物毉學工程探索課程節選

Yet the cheap system processed a trade in 50 milliseconds, one-fourth the time needed by the Sun system.
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This may make sense as a way to judge a state (although there may be legitimate questions if it makes sense when moving to a competency-based learning system and away from one based on time), but it creates some problems for judging schools to where students are transferring in the midst of their high school experience.
FORBES: Colorado's Crummy Policies Lead to Crummy Virtual Schools

一次一密躰制
As Shannon had proved that one-time system is perfect secrecy,one-time system is deemed to be unbreakable.
由於仙辳証明一次一密具有完善保密性,一次一密躰制一直以來被認爲是不可攻破的。