permutation是什么意思_permutation怎么读_中英文释义(含例句用法)

permutation (n.): mid-14c., from Old French permutacion "change, shift" (14c.), from Latin permutationem (nominative permutatio) "a change, alteration, revolution," noun of action from past participle stem of permutare "change thoroughly, exchange," from per- "thoroughly" (see per) + mutare "to change" (see mutable).

词态变化

复数 permutations;

权威造句

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.

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

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.

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.

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.

近反义词

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

相似短语

even permutation 偶排列，偶置换

similar permutation 相似[同类]排列

permutation with repetition 重复排列

random permutation 随机排列

column permutation 列置换, 列排列

permutation table 排列表，置换表

odd permutation 奇排列，奇置换

permutation cube 置换立方体

permutation graph 置换图

permutation operator 【化】置换算符

单词分析

暂无,等待补充.

记忆方法

在数学的排列与组合中用 A 代表 Arrangement 表示“排列”（在旧教材为 P -> Permutation），用 C 代表 Combination 表示“组合”，所以如果你还记得排列与组合的计算公式的话，就一目了然了。

permutation是什么意思，permutation怎么读

permutation基本信息

英英释义

中英词源