permutation

听听怎么读

英 [ˌpɜ:mjuˈteɪʃn]

美 [ˌpɜrmjuˈteɪʃn]

是什么意思

（一组事物可能的一种）序列，排列，排列中的任一组数字或文字；

变形

复数：permutations

英英释义

permutation[ ,pə:mju:'teiʃən ]

n.
- an event in which one thing is substituted for another
  同义词：substitutiontranspositionreplacementswitch
- the act of changing the arrangement of a given number of elements
- complete change in character or condition
  "the permutations...taking place in the physical world"
- act of changing the lineal order of objects in a group

学习怎么用

词组短语

permutation and combination n. [数]排列组合

双语例句

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。

权威例句

Permutation entropy: a natural complexity measure for time series
Permutation tests for joinpoint regression with applications to cancer rates
Permutation tests for univariate or multivariate analysis of variance and regression
Circular permutation and receptor insertion within green fluorescent proteins
Conditional Permutation Tests and the Propensity Score in Observational Studies
Nonparametric permutation tests for functional neuroimaging: a primer with examples
Quasicyclic low-density parity-check codes from circulant permutation matrices
Quasicyclic low-density parity-check codes from circulant permutation matrices
CLUMPP: a cluster matching and permutation program for dealing with label switching and multimodality in analysis of population stru...
Balance between genetic search and local search in memetic algorithms for multiobjective permutation flowshop scheduling