52词语>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

    • 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 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • Some Permutation Polynomials over Finite Fields and a Security Key Exchange Protocol
      有限域上几个置换多项式及一个密钥交换协议
    • 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。