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

• Its of great practical value for computing the shift distribution of an order-given permutation.
  研究任意阶置换的漂移分布具有重要的实用价值。
• This way, any permutation of role implementations by the different vendors can be configured.
  这样就可以配置不同供应商提供的角色实现的任意排列组合。
• The security of the scheme is effectively improved by using chaotic modulation and permutation to the embedded watermark and making a expansion for the key space.
  通过时于嵌入的水印进行混沌调制和置乱，并扩展密钥空间，有效地改进了算法的安全性。
• Some Permutation Polynomials over Finite Fields and a Security Key Exchange Protocol
  有限域上几个置换多项式及一个密钥交换协议
• 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
• 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。
• In this paper, a new sorting algorithm consisted of classification, in situ permutation and straight insertion is presented.
  基于此，本文提出了一种由分“档”、整体置换和局部直接插入排序所组成的新排序算法&分“档”置换插入排序法。
• A sort of3-element permutation with repetitions allowed is studied, and a recurrence relation in general condition is found.
  研究一类特殊的可重复排列性质，建立了一般情形下求这类排列数的递推公式，导出了一些特殊情形下的具体计算公式。
• This classification is called the parity of the permutation analogous to the definition of parity of integers.
  这种分类叫作置换的奇偶性，类似于整数偶性的定义。
• With each recursive step, cross products with one additional Permutation Group are formed.
  伴随每个递归步骤，会形成带有一个额外置换群的向量积。