Such a structural optimum design based on the reliability can increase the design quantity and obtain obvious economic benefit, that is to say, the structure is both safe and economical.
这种基于可靠性的结构优化设计可明显地提高复合材料结构的设计质量，使得复合材料结构既安全可靠又经济合理。
Among the existing optimum design models, majority only aim at the optimization which just in the definite conditions and the factor of structural reliability is ignored.
现有的结构优化设计模型绝大多数是针对确定性情况下的优化，对工程结构的可靠度考虑不多。
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