once

用法例句

An expanding key space method was proposed, which was based on 3 principles of the Shannon’s idea “one-time pad”, “infinite key space” and a chaotic system could make out of a determinate random number generator.

这种方法基于三条原理:Shannon的“一次一密”,“无限密钥空间”及混沌映射系统可构造一个确定性的随机数发生器。

On the basis of chaos map,a theory of block ciphers key space expand combined with the idea of "one-time pad" by shanon is constituted.

介绍一个混沌二值序列产生和实验的软件平台,利用3种混沌动力学模型,即一阶时延模型、Logistic模型和Lorenz模型产生加密序列,并结合Shanon的"一次一密"思想,建立一种基于混沌映射的"分组密码密钥空间拓展"理论,很好地解决DES加密算法密钥空间小的问题,实现了一种混沌的DES变形密码算法。

We have improved the security mechanism of WEP in wireless LAN and implemented the algorithm of one-time pad at less cost.

对无线局域网(wirelessLAN)中的有线等效保密(WEP)机制进行了改进,以较小的代价实现了一次一密。

This encryption scheme is one-time-pad as only as the same initial markings are not be used more than once whenever.

只要每次加密时选用不同的初始标识,这种密码系统是一次一密的。

The new Hill cryptosystem has the effect of one-time-pad.

改进后的Hill密码体制具有数字签名功能,能够达到一次一密的效果。

Based on the XTR4 cryptosystem,the key exchange protocol,communication protocol of provable security,and one-time-pad protocol were proposed,which could be employed in variant environments to assure the security,as well .

提出XTR4体制上的密钥交换协议,可证明安全性保密通信协议,一次一密协议,可以应用于多种环境,既能保证安全性,又能显著地提高运算效率。

inversion monad

一次倒反轴, 一次倒转轴

We were robbed time after time.

我们一次又一次地被抢。

assume again, as a time lapse.

一次失误后，又重做一次。

Twice a day taken in the morning before breakfast and at bed?time.One bottle each time.

一天两次，早饭前一次，晚上睡觉前一次，每次一瓶。

also registering one assist, one steal and one block in China's 133-70 loss.

并有一次助攻，一次抢断和一次盖帽。

Number of entries Single Double Multiple Duration of each stay

拟入境次数 一次 二次 多次 每次停留天数

I made many Vows and Resolutions,

我一次又一次地发誓，下了无数次决心，

He swung it once and twice and again.

他又迎面劈去，一次，两次，又一次。

The balance: 2 Scudetti, one with Milan and one with Roma.

两次意甲冠军，一次米兰，一次罗马。

The launch was the first time for me on the middeck,

在这次飞行中，我第一次，

one " take it " is worth more than two " I 'll give you . "

一次行动胜过两次许诺。

SuBmitting to one wrong Brings on another.

犯了一次错，下次易再犯。

I bounced, one, two, three, building some height for my dive.

我弹跳一次，两次，三次，是为了跳得更高。

he took out his tinderbox and struck the flint once, twice, three times!

他拿出火绒箱敲击一次、二次、三次！

bimestrial:Occurring every two months; bimonthly.

一月两次的:每两个月发生一次的;一月两次的。

Occurring every two months;bimonthly.

一月两次的每两个月发生一次的；一月两次的

This check-up should be done not just once, but two or three times, a year.

整社不是一年整一次，而是一年整两次至三次。

Perseverance is not a long race; it is many short races one after another.

坚持并非一次长跑,而是一次接一次的无数短跑.