八八字典>英语词典>permutation翻译和用法

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。
    • 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。
    • This paper deals with orthodox semirings whose additive idempotents satisfy permutation identities.
      本文主要研究加法幂等元满足置换等式的纯整半环。
    • 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。
    • 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 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。
    • 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 method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
      该方法利用一个短的LDPC码的校验矩阵作为其母矩阵,在此基础上采用循环置换矩阵构造一个长的LDPC码。
    • 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;
    • 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。