Then, the constraints of transport structure optimization are discussed from two aspects: personal selection and policy influence. Based on the analysis, the mathematical pr…
然后从个人选择导向和政策导向两个角度，分别研究了交通结构优化的约束条件。
The stability of ship deck grillage is analyzed by means of transport matrix technique and minimal weight of the structure is obtained with multilevel optimization method.
本文运用迁移矩阵法进行甲板板架稳定性分析，并用分级优化方法作结构最小重量设计。
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