读知识>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

    • 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。
    • 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。
    • With the formation of protoplasm by sheer permutation& combination of atoms, the life began here.
      随着原生质的形成它只是原子的排列组合生命诞生了。
    • 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 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。
    • 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。
    • 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。
    • 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。
    • 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