“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	Notification on Promoting Counterpart Support for Schools in the Eastern and Western Regions notification system of rainfall and water regime in ancient China not-if-then no-tillage no-tillage seeder no-till seeding Not-In-My-Back-Yard not in my backyard notion notional account notional electromotive force Notional-functional Syllabus Notker not-locally convex space notochord notodontid moths notogenesis notoginsenoside Not One Less Not only SQL notoptetygium root Notorious no-touch dissection Notre-Dame de Paris Notre-Dame du Haut Chapelle de Ronchamp

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