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
- This way, any permutation of role implementations by the different vendors can be configured.
这样就可以配置不同供应商提供的角色实现的任意排列组合。 - 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。 - 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。 - 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。 - 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。 - 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。 - The security of the scheme is effectively improved by using chaotic modulation and permutation to the embedded watermark and making a expansion for the key space.
通过时于嵌入的水印进行混沌调制和置乱，并扩展密钥空间，有效地改进了算法的安全性。 - 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。 - 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