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permutation

英[ˌpɜːmju'teɪʃn] 美[ˌpɜːrmju'teɪʃn]
  • n. 交换;排列
permutational

详细释义

    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

双语例句

1. Every sort of permutation and combination is possible in human nature.
火的本性可能有各种交织和组合的情况.

来自辞典例句

2. Such a permutation is called a derangement.
这样的一个排列称为错位排列.

来自辞典例句

3. Other enumeration problems lead us to the study of orbits of permutation groups.
其它的计数问题引导我们去研究置换群的轨道.

来自辞典例句

4. The permutation is even if the number of inversions it contains is even.
如果一个排列中含有的反序的个数是偶数,则称它为偶排列.

来自辞典例句

5. 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.

来自互联网

    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。

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