单词：permutation
音标：[.pә:mju'teiʃәn] ；
n. 交换, 更动, 排列
[计] 排列
[计] 排列
n. the act of changing the arrangement of a given number of elements
n. complete change in character or condition
n. act of changing the lineal order of objects in a group
n. complete change in character or condition
n. act of changing the lineal order of objects in a group
词型变化：名词复数形式 : permutations
词性分布：
permutation的用法和样例：
例句
用作名词(n.)
- 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。
- Such a permutation is called a derangement.这样的一个排列称为错位排列。
- 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。
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
经典引文
Even the best gene analysis of parents can't assure that all gene permutations..will be favourable.
出自：I. AsimovBasic exercises..have been put together in ways susceptible of infinite permutation.
出自：Y. Menuhin
【近义词】