In order to resolve the question, the thesis put forward the optimal path algorithm in distributed multi-level road network.

针对这一问题，本文提出了大区域分布式多级道路网的最优路径算法。

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The key of high resolution isochronostratigraphic correlation is to identify multi-order stratigraphic cycles that represent multi-order base-level cycles in stratigraphic record.

高分辨率的等时地层对比的关键是识别地层记录中代表多级次的基准面破回的多级次的地层旋回。

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A model of the multi-period order quantity of two parties in the supply chain(SC) was established, discussing the multi-period order quantity in the two-level SC.

建立了供需双方多周期的最优订货批量模型，讨论了随机需求下两级供应链中供应双方多周期的生产和订货批量问题。

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