1. 排列：实验(experiment)是「产生有清楚定义的结果树状图(tree diagram)是协助我们了解多重步骤实第三个计数法则称为排列(permutations)的计数法则. 当我们由N个个体抽出n个,而且抽出的顺序也必须列入考虑,即相同的n个个体,以不同的顺序抽出时,
2. 组合：Pause, 暂停 | Permutations, 组合 | pixel, 像素
1. The Working Group of the IBF has released several different permutations for the scoring system.
2. The current world number 58 has gone through numerous coaching permutations in search of the form that took her to the summit.