火范文>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 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 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。
    • 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。
    • We've tried every permutation possible for a Caesar shift.
      我们试验了凯撒密码的所有可能排列。
    • 2 perform the following permutation on the data block.
      对数据块进行如下置换。
    • 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。
    • 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 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。
    • 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 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。