This paper contains three chapters. It centres on the influence of ci-section of maximal subgroup on the structure of finite group.
全文共分为三章，主要是围绕有限群的极大子群的CI -截对群结构的影响这一重要课题进行讨论的。
The transitivity of a finite group on the conjugates of some minimal subgroups influences or determines the structure of the group.
有限群在某个极小子群共轭类上的某种传递性影响或决定群的构造。
The mortise and tenon joint of the structure is replaced by a special beam-element group in the finite element model.
引入梁单元组模拟斗拱连接，从而建立了具有木塔较细致结构的有限元计算模型。
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