A numerical example shows that the structural analysis and optimization design model and method in this paper are valid and feasible.

算例表明：文中提出的随机结构分析和优化模型与设计方法是合理、可行和有效的。

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This dissertation was to study the mathematical theories and methods for structural dynamical model updating. It gave the solutions and the numerical methods of a special structure model updating.

本文主要研究结构动力模型修正中的数学理论与方法，研究了一类特殊结构模型修正问题，并为线性结构有限元动力模型修正提供了有效的数值方法。

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An especial structural model is obtained through corrected truncation errors of finite difference and the gray numerical arithmetic solving this kind model is given.

在数值求解过程中，对一维河流水污染的灰色模型求解过程中有限差分法的截断误差进行了修正，得到了具有一种特殊结构的数值模型，并给出了求解方法。

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