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
- Such a permutation is called a derangement.
这样的一个排列称为错位排列。 - 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。 - 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。 - Actually, I could have used another permutation of these points. But, let's use this.
其实。。我本来可以，用别的表示这些点，呃，不过还是用这些吧。 - 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。 - 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 experimental result shows us a conjecture that there exists no such permutation over even dimensional space.
通过试验给出了关于偶数维空间上几乎完善非线性幂置换的一个猜想； - 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 - 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。 - We've tried every permutation possible for a Caesar shift.
我们试验了凯撒密码的所有可能排列。