The results of this paper are of practical significance to grain structural integrity analysis and computation of solid rocket engines.

该文的结果对固体火箭发动机装药结构完整性分析计算有重要的实用价值。

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So it has important value both on theory and practical application to perform uncertain structural analysis for SRM grain.

因此，进行固体火箭发动机药柱的不确定结构分析具有重要的理论价值和工程实际意义。

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The propellant grain structural parametric analysis is realized in primary level.

初步实现了装药结构的参数化分析。

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