factorial
中文释义
n. 阶乘；a. 阶乘的
n. the product of all positive integers up to a given number.
常用搭配
- calculate factorial计算阶乘
- factorial of a number数字的阶乘
- factorial function阶乘函数
例句
- The factorial of 5 is 120, which is calculated by multiplying 5 by all the numbers below it. 5的阶乘是120,通过将5与它以下的所有数字相乘得到。
- In combinatorics, factorials are used to determine permutations.在组合数学中,阶乘用来确定排列数。