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
- 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 - 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。 - 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。 - 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。 - 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。 - 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。 - Using gamma function, the paper popularized the common conceptions of the usual factorial, permutation and combination and proved some combination formulas in common use.
依照伽马函数，对通常的阶乘、排列、组合的概念进行了推广，并证明了一些常用的组合公式。 - 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。 - 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。 - 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。