Permutation
01
a complete change in character, condition, or arrangement
例子
The city underwent a permutation after the new government took power.
His personality seemed a permutation from his former self.
02
排列, 序列
(mathematics) a rearrangement of a set of elements in a specific order or sequence
例子
The number of permutations of three distinct objects is six.
三个不同物体的排列数是六。
Permutations are often used in probability calculations.
排列常用于概率计算。
