permutation

英 [ˌpɜːmjuˈteɪʃn]

美 [ˌpɜːrmjuˈteɪʃn]

n.  排列(方式); 组合(方式); 置换

复数：permutations　

计算机

BNC.18648 / COCA.20172

牛津词典

noun

• 排列（方式）；组合（方式）；置换
  any of the different ways in which a set of things can be ordered
  1. The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx.
     x、y和z的可能的组合方式为xyz、xzy、yxz、yzx、zxy和zyx。

柯林斯词典

• N-COUNT 排列
  Apermutationis one of the ways in which a number of things can be ordered or arranged.
  1. Variation among humans is limited to the possible permutations of our genes.
     人类的变异受限于我们的基因可能存在哪些排列。

双语例句

• 2 perform the following permutation on the data block.
  对数据块进行如下置换。
• Such a permutation is called a derangement.
  这样的一个排列称为错位排列。
• Applications of Amplitude Modulation and Pixel Random Permutation Techniques in Double Random Phase Encryption System
  振幅调制和像素随机置换技术在双随机相位加密系统中的应用
• Actually, I could have used another permutation of these points. But, let's use this.
  其实。。我本来可以，用别的表示这些点，呃，不过还是用这些吧。
• As the application of orthomorphic permutations in cryptography, we simply emphasize the advantage provided by such permutation in increasing the security of a block cipher.
  简要强调了利用正形置换强化分组密码的优点；利用正形置换设计了一种密码安全布尔函数。
• By introducing the original permutation and the region, the conception of single permutation is proposed.
  在引入原排列和区的概念的基础上，提出了单排列的概念。
• This paper explores the order problem of mark symbols in Classification for Chinese Libraries, and offers different opinions of the permutation order and using order of mark symbols.
  本文探讨了《中图法》中标记符号的顺序的问题。就标记符号的排列顺序与使用顺序提出不同的看法。
• The fast Fourier transform algorithm for the production of the permutation factor circulant matrices;
  给出了一类置换因子循环线性系统求解的一种快速算法。
• The authors proposed a permutation correction method which is easy to perform and can correct the biases very effectively.
  作者提出排列校正方法，可以成功地校正各偏差。
• We've tried every permutation possible for a Caesar shift.
  我们试验了凯撒密码的所有可能排列。