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
- 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。 - 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。 - In this paper, a new sorting algorithm consisted of classification, in situ permutation and straight insertion is presented.
基于此,本文提出了一种由分“档”、整体置换和局部直接插入排序所组成的新排序算法&分“档”置换插入排序法。 - Other enumeration problems lead us to the study of orbits of permutation groups.
其它的计数问题引导我们去研究置换群的轨道。 - 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。 - 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。 - 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。 - 2 perform the following permutation on the data block.
对数据块进行如下置换。 - 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。