词语吧>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

    • Such a permutation is called a derangement.
      这样的一个排列称为错位排列。
    • 2 perform the following permutation on the data block.
      对数据块进行如下置换。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。
    • Its of great practical value for computing the shift distribution of an order-given permutation.
      研究任意阶置换的漂移分布具有重要的实用价值。
    • 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。
    • 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。