On the basis of analyzing and utilizing the existent classification planning model, the thesis describes its abstract mathematic structure and builds an optimization model for BCT scheduling.

在分析和借鉴已有编组计划模型的基础上，系统的描述了模型的抽象数学结构，构建了班列开行方案的优化模型。

youdao

On the basis of analyzing and utilizing the existent classification planning model, the thesis describes its abstract mathematic structure and builds an optimization model for BCT scheduling.

在分析和借鉴已有编组计划模型的基础上，系统的描述了模型的抽象数学结构，构建了班列开行方案的优化模型。

youdao