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。
• 2 perform the following permutation on the data block.
  对数据块进行如下置换。
• 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。
• 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。
• 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。
• 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。
• Random permutation and sharpening are basic methods of image processing.
  空间域随机置乱和锐化滤波是基本的图像处理方法。
• 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。
• 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。