permutation
英 [ˌpɜːmjuˈteɪʃn]
美 [ˌpɜːrmjuˈteɪʃn]
n. 排列(方式); 组合(方式); 置换
复数：permutations
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- 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。
- The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and 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.- 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。
- Variation among humans is limited to the possible permutations of our genes.
双语例句
- 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 - 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。 - 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 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。 - 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。 - Such a permutation is called a derangement.
这样的一个排列称为错位排列。 - 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。 - 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。 - 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。