Traditional EAI had many deficiencies, such as poor extensibility, complexity in relations, structural redundancy and management difficulty.

传统EAI系统往往具有扩展性差、关系繁琐、结构冗余、管理困难等缺点。

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This provides a high degree of structural redundancy that enables the system to withstand unusual contingencies without service disruption to the customers.

这提供了一个高程度的结构性过剩，使系统能够承受不寻常的或然无服务中断给客户。

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The theory of structural redundancy and several principles, criteria and methods of optimum structural configuration based on the structural reliability are suggested.

并提出了在可靠性基础上、结构的余度理论以及布局优化方面的若干原理、原则、理论与方法。

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