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

• 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 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。
• Using gamma function, the paper popularized the common conceptions of the usual factorial, permutation and combination and proved some combination formulas in common use.
  依照伽马函数，对通常的阶乘、排列、组合的概念进行了推广，并证明了一些常用的组合公式。
• Such a permutation is called a derangement.
  这样的一个排列称为错位排列。
• 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。
• The experimental result shows us a conjecture that there exists no such permutation over even dimensional space.
  通过试验给出了关于偶数维空间上几乎完善非线性幂置换的一个猜想；
• 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。
• 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。
• 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。