All even Numbers that are divisible by four are in group two.
所有的偶数是可分四个是在第二组。
All the rest of the even Numbers not divisible by four are in group three.
所有其余的偶数不能整除四个组三个。
This dissertation investigates two kinds of combinatorial designs, Kirkman packing designs and large sets of group-divisible designs.
本文讨论构造门限方案的两类组合设计，即可分解的填充设计和可分组设计大集。
In these 3-analogues of the fundamental constructions, group divisible 3-designs(called H-designs in the sequel) are also used as essential ingredients.
其中可分组3-设计（下面称H-设计）在这个推广的基本构造中起到了重要的作用。
In this paper, some special group divisible designs have been constructed from ovals in finite projective planes.
本文利用有限射影平面中的卵形，构造了一些特殊的可分组设计。
In this paper, some special group divisible designs have been constructed from ovals in finite projective planes.
本文利用有限射影平面中的卵形，构造了一些特殊的可分组设计。
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