| 单词 | factorial |
| 释义 | factorial n. & adj. Math. --n 1. the product of a number and all the whole numbers below it (factorial four = 4 x 3 x 2 x 1). Usage Symb.: ! (as in 4!). 2. the product of a series of factors in an arithmetical progression. --adj of a factor or factorial. Derivatives factorially adv. |
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