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

• 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。
• 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。
• 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。
• 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。
• Other enumeration problems lead us to the study of orbits of permutation groups.
  其它的计数问题引导我们去研究置换群的轨道。
• 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。
• Cyclic shift permutation structure is an important part of partial parallel decoder for quasi-cyclic LDPC codes.
  循环移位置换单元是准循环LDPC码的部分并行译码器的重要组成部分。
• And it ensured the data security and integrity in the protocol entities exchange through encryption, authentication, digital signature and one-way permutation function.
  并通过加密、认证、数字签名和单向置换函数有效地保证了协议中实体交互数据的安全性和完整性。
• 2 perform the following permutation on the data block.
  对数据块进行如下置换。