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
- 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。 - 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。 - 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。 - Such a permutation is called a derangement.
这样的一个排列称为错位排列。 - 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。 - This paper explores the order problem of mark symbols in Classification for Chinese Libraries, and offers different opinions of the permutation order and using order of mark symbols.
本文探讨了《中图法》中标记符号的顺序的问题。就标记符号的排列顺序与使用顺序提出不同的看法。 - 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。 - 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。 - The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
该方法利用一个短的LDPC码的校验矩阵作为其母矩阵，在此基础上采用循环置换矩阵构造一个长的LDPC码。 - 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。