现在结构分析中应用的不确定性模型主要有随机模型，模糊模型，凸模型以及区间模型。
There are several mathematical models in present researches or applications about uncertain structural analysis, such as stochastic model, fuzzy model, convex model and interval one etc.
同时，本文还把得到的结论通过形式转换应用于研究具有凸多面体不确定性模型的时滞系统的稳定性性能。
Meanwhile, by transforming the proposed condition, this conclusion also is applied to the study on the stability performance of the time-delay system with polytopic uncertainty.
通过对交叉相遇局面中单拖网渔船避碰行为的实际调查，应用信息熵理论，建立了避碰行为的不确定性模型。
Based on the investigation of single-trawling vessel collision avoidance action, the uncertainty models of action are set up by using entropy theory.
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