permutation

英 [ˌpɜːmjuˈteɪʃn]

美 [ˌpɜːrmjuˈteɪʃn]

n. 排列(方式); 组合(方式); 置换

复数：permutations　

计算机

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
1. 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。

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.
1. 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。

双语例句

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。
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。
A definite inner structure in finite element permutation is considered in this paper.
文章研究了有限元排列一种确定的内部结构。
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。
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
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。
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。
And it ensured the data security and integrity in the protocol entities exchange through encryption, authentication, digital signature and one-way permutation function.
并通过加密、认证、数字签名和单向置换函数有效地保证了协议中实体交互数据的安全性和完整性。
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。
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。