permutation

英 [ˌpɜːmju'teɪʃn] 美 [ˌpɜːrmju'teɪʃn]

• n. 交换；排列

详尽释义

n. 名词

1. 交换
2. 变更
3. 【数】排列
4. 置换
5. 序列
6. 取代
7. 重新配置
8. 组合（方式）
9. 重排

英英释义

Noun:

1. an event in which one thing is substituted for another;

   "the replacement of lost blood by a transfusion of donor blood"
   

2. the act of changing the arrangement of a given number of elements

3. complete change in character or condition;

   "the permutations...taking place in the physical world"
   

4. act of changing the lineal order of objects in a group

例句

用作名词 (n.)

1. The combining roulette wheel with optimization selection is used.A position-based and group permutation crossover method and random mutation are introduced.
   采用轮盘赌与最优性相结合的方法进行选择，设计基于位置成组移位的杂交算子和随机交换的变异算子。
2. Such a permutation is called a derangement.
   这样的一个排列称为错位排列。
3. Unique because that particular permutation has not appeared before.
   之所以独一无二，是因为那种独特的基因排列组合以前不曾出现过。

经典引文

• Even the best gene analysis of parents can't assure that all gene permutations..will be favourable.

  出自： I. Asimov

• Basic exercises..have been put together in ways susceptible of infinite permutation.

  出自： Y. Menuhin

词汇搭配

• permutation network 置换网络
• random permutation 随机排列
• odd permutation 奇排列,奇置换...
• permutation cipher 置换密码
• reciprocal permutation 反向排列
• permutation matrix 置换矩阵
• linear permutation 线性排列
• circular permutation 循环排列
• permutation code 置换码,互换码...
• permutation index 叙词索引
• even permutation 偶排列,偶置换...
• identical permutation 元排列,恒等置换,同...
• cyclic permutation 循环置换,循环排列...
• permutation encoding 置换编, 置换编码...
• stack permutation [计] 栈排列
• permutation modulation 变换调制
• similar permutation 相似排列
• cyclical permutation 循环排列
• affine permutation 仿射置换

近反义词

【近义词】

• variation 变种
• transformation 转型
• change 变化
• version 版本
• arrangement 布置
• rearrangement 重新整理
• combination 结合
• alternative 两者择一的
• vicissitude 变化
• mutation 变化
• transposition 调换
• switch 转换
• substitution 代替
• replacement 更换