“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	ascarisin; scaridole; 1,4-peroxi-do-p-menthene-2 ascaris lumbricoides ASCE Ascella ascend ascendant ascendant continued fraction ascendant subgroup ascending ascending and descending，floating and sinking ascending branch ascending central series ascending chain ascending chain condition ascending chain condition for left ideals ascending development method ascending difference ascending earth station ascending factorial ascending ideal series ascending induction ascending node ascending normal series ascending order ascending order of powers

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