In engineering design optimization (DO) of large-scale and complex systems, it is important to handle epistemic uncertainty which exists in design parameters and stages of DO.

在对大规模复杂系统进行设计优化的过程中，处理好各环节和各设计参数中存在的认知不确定性是十分重要的。

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All these results have provided physical vision for engineering design, optimization and concept verification of HYTEN nozzle.

这些结果为HYTEN喷管的工程设计、优化和概念验证提供了基本的物理图像。

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