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单词 permutation
释义

permutation /pɜːmjʊ'teɪʃ(ə)n//'pɝmjʊ'teʃən/

英汉-汉英词典
n. (一组事物可能的一种)序列,排列;排列中的任一组数字或文字
词组 | 习惯用语
permutation and combination n. [数]排列组合
英语例句库
  1. his thoughts raced ahead to fifty different permutations of what he must do.
    就必须要做的事他很快想出了50种不同的变化组合。

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原声例句
国际名牌英语简介

The Logo System. A graphical framework, that can have endless permutations.

商标系统,一个视觉的架构,可以有无限可能的架构

日常生活高频词汇

Now, add to this all the permutations of getting partial attributes from each entity.

现在,将所有这些添加到从每个实体获取部分属性的排列中。

经济学人-国际

Voters seem bewildered, with different polls showing them favouring different permutations of the proposals on offer.

投票者们似乎为此所困,在不同的民意调查里,参与投票的议案在他们心目中的排名竟有所不同。

TED演讲(视频版)双语精选

These six shows could exist in any number of categorical permutations.

这六个作品各自也可以被划在不同的分类里。

连线杂志

So all of those permutations, they're getting connected by the algorithm.

所以所有这些排列组合,都通过算法联系起来。

自我提升必备书单

Think deeply, go as far as your mind can go in all permutations or chain reactions of decisions.

深入思考,用尽你的大脑,尽你所能去思考所有的变化或决策的连锁反应。

流行文化

A kind of framework, but one that can have endless permutations.

一种框架, 但可以有无穷无尽的排列

遇见你之前 | Me Before You

I didn't know there were so many permutations of Lycra and fleece.

我不知道莱卡和羊毛有这么多组合

科技 Crash Course

The new letter ordering, what’s called a permutation, is the encrypted message.

新的字母顺序,即所谓的排列,是加密的消息。

《金融时报》 Podcast

Let's have lots of exciting conversations about coalition permutations.

让我们就联盟排列进行许多激动人心的对话。

中文百科

置换

P(3,3)=6
(2,5,1,4,3,6)的置换图

排列英语:Permutation)是将相异对象或符号根据确定的顺序重排。每个顺序都称作一个排列。例如,从一到六的数字有720种排列,对应于由这些数字组成的所有不重复亦不阙漏的串行,例如"4, 5, 6, 1, 2, 3" 与1, 3, 5, 2, 4, 6

置换的广义概念在不同语境下有不同的形式定义:

英语百科

Permutation 置换

Each of the six rows is a different permutation of three distinct balls
In the popular puzzle Rubik's cube invented in 1974 by Ernő Rubik, each turn of the puzzle faces creates a permutation of the surface colors.
Permutations of multisets
Composition of permutations corresponds to multiplication of permutation matrices.

In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting. These differ from combinations, which are selections of some members of a set where order is disregarded. For example, written as tuples, there are six permutations of the set {1,2,3}, namely: (1,2,3), (1,3,2), (2,1,3), (2,3,1), (3,1,2), and (3,2,1). These are all the possible orderings of this three element set. As another example, an anagram of a word, all of whose letters are different, is a permutation of its letters. In this example, the letters are already ordered in the original word and the anagram is a reordering of the letters. The study of permutations of finite sets is a topic in the field of combinatorics.

近义、反义、联想词
近义词
n.
variation, fluctuation, mathematical process, mathematical operation, operation, transformation, translation

联想词
polynomial多项式;recursive回归的,递归的;integer整数;cyclic环的;combinations组合;integers整数;symmetric相称性的,均衡的;quadratic二次的;algebraic代数的;algorithm算法;sequence序列;
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更新时间:2025/6/17 22:17:55