# permutation

畅通词汇
[ˌpɜːmju'teɪʃn] 　 　 [ˌpɜːrmju'teɪʃn]
• n. 交换；排列
permutational
new

## permutation的英文翻译是什么意思，词典释义与在线翻译：

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

## permutation的用法和样例：

### 例句

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.