地基的失效可视为模糊事件。

The fail of foundation is an ambiguous event.

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本文用模糊数学方法对构件因裂缝开展的耐久性失效概率作了初步分析，采用了“模糊事件概率” 的数学模型。

This paper has initially used the method of fuzzy sets to analyse the possibility of durability failure, and taken a mathematic model for the possibility of fuzzy event.

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锚喷支护结构分析中存在很大的模糊性，支护结构的失效是一个模糊随机事件。

There is a large amoant of fuzziness in the analysis of pin-jet concrete timbering structure. The pin-jet concrete timbering structure failure is a fuzzy-random event.

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