然后采用最佳矢量法求解结构体系可靠度指标约束下的最小重量优化设计问题。
Secondly, the problem of the minimum weight design is resolved by using the optimum vector algorithm under the constraint of the structure system reliability.
本文运用约束随机法进行了弹簧的优化设计，求出最佳解。
The constraint stochastic method is used in this paper to make an optimal design of spring and give an optimal solution.
本文特混合罚函数法用子这类线性规划问题从而获得满足一定营养素配比的约束条件，使之成为成本最低的最佳配方，为合理营养的配方组成提供理论依据。
Method of mixed penalty function is used for the linear question, optimum prescription is obtained at the conditions in the paper. It provides theory basis for reasonable food nutritive ratio.
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