六六字典>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

    • 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。
    • 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;
    • 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 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。
    • 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。
    • 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。
    • Applications of Amplitude Modulation and Pixel Random Permutation Techniques in Double Random Phase Encryption System
      振幅调制和像素随机置换技术在双随机相位加密系统中的应用
    • 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。
    • 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。