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

• 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。
• 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。
• 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。
• 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。
• The single permutation generates from Quasi-single permutation with the insertion point, which is up to mass region.
  其中的单排列可由准单排列插点生成，如何插点取决于排列中的单质区。
• 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。
• 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；
• 2 perform the following permutation on the data block.
  对数据块进行如下置换。
• A definite inner structure in finite element permutation is considered in this paper.
  文章研究了有限元排列一种确定的内部结构。