讨论了阶化向量空间和李超代数的基本性质。
The general properties of graded vector space and Lie superalgebras are discussed.
因为一个Z2-阶化群可以对应一个李超代数，所以对Z2-阶化群的性质进行了讨论。并对一些特殊类型的群确定了它们的Z2-阶化结构。
Since a Lie superalgebra can be associa ted with a Z2-graded group, properties of Z2-groups are discussed and Z2-graded structures of some special class es of groups are determined.
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