| 释义 |
per·mu·ta·tion·al 英ˌpɜːmju'teɪʃn美ˌpɜːrmju'teɪʃn COCA³¹⁵¹¹¹⁺⁴BNC²³⁶²¹³⁺¹
基本英英搭配近义反义例句
n.交换²⁷;排列⁷³形容词permutational
Noun:
an event in which one thing is substituted for another;the replacement of lost blood by a transfusion of donor blood the act of changing the arrangement of a given number of elementscomplete change in character or condition;the permutations…taking place in the physical world act of changing the lineal order of objects in a grouppermutation 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
近义词 change变化switch转换version版本mutation变化variation变种arrangement布置combination结合vicissitude变化replacement更换substitution代替transposition调换transformation转型rearrangement重新整理alternative两者择一的
名词100%
用作名词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。 |