“subfactorial”的概念、定义、翻译、参考文献-科学参考

单词	subfactorial
释义	subfactorial [´sǝb´fak`tȯr·ē·ǝl] ^MATHEMATICS For an integer n, the number that is expressed as n!{(1/2!)= - = (1/3!) + (1/4!) - . . . + [(-1)ⁿ/n!]}.
随便看	grain leather grain neutral spirits grain size grain sorghum grain spacing gram gramagrass gram-atomic weight gram-calorie gram-centimeter Gram determinant gramenite gram-equivalent weight gram-force gramicidin Graminales Gramineae graminicolous graminivorous graminoid grammar gram-molecular volume gram-molecular weight gram-negative gram-negative diplococci

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