She studied all about Bridges and about mathematics, and she went to the bridge daily.
她研究了所有关于桥梁的技术和数学,并且每天都到桥那里去。
By building models of resources optimization in the practical bridge construction, the paper gives mathematics formula to evaluate optimization model using the same parameter.
建立了实际桥梁施工网络计划资源优化模型,提出用统一的参数来评价优化模型的数学公式。
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