“difference family”的概念、定义、翻译、参考文献-科学参考

单词	difference family
释义	difference family Encyclopedia 理学组合设计释 difference family差族设是阶阿贝尔群，其运算为加法，是群上的子集族，式中，。令。若中每个非零元在多重集中恰出现次，则称为上的一个差族。当时，简记为差族。当时，差族即为差集。 Mathematics ＞组合数学、组合设计与图论＞组合设计＞释义 difference family差族 difference family差族，广义差集
随便看	precision radial-velocity spectrometer precision rate precision requirement of geological mapping precision seeder precision seeding Precision Steelyard of Wanli precision stereoplotter precision weeding precision within laboratory precisive definition precleaner precleaning preclimax preclinical drug metabolism analysis preclinical drug quality standard study pre-clinical drug stability testing pre-clinical pharmaceutical research of polymorphic drug preclinical research pre-clinical safety research evaluation preclinical study of peptide drug preclisere pre-closed operator preclosed operator precoating precocene

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