“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	Treaty of Peace,Friendship,Limits and Settlement between the United States of America and the Mexican Republic Treaty of Perpetual Peace and Friendship between China and Great Britain Treaty of Portsmouth Treaty of Rapallo Treaty of Rarotonga Treaty of Saint-Germain Treaty of San Stefano Treaty of Security and Safeguard Between Japan and UnitedStates Treaty of Segowlee/ Sugauli Treaty of Shimonoseki Treaty of Sèvres Treaty of Taif Treaty of the Bura Treaty of the Jingde Era between Northern Song and Western Xia Treaty of Trianon Treaty of Uqair Treaty of Verdun Treaty of Versailles Treaty of Vienna Secret Defensive Alliance Treaty of Waitangi Treaty of Wanghia Treaty of Washington Treaty of Waters of Indus River Treaty of Wichalē (Uccialli) Treaty on European Union

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