数学模型包括分组分级模型和权重优化模型。
The models include grouping-and-grading model and weight optimization model.
其次介绍了“多元受限的航班时刻优化模型”的理论基础、数学模型、相应的启发式算法。
This paper is mainly about the model and arithmetic of Airline Schedule Optimization Problem.
设计优化数学模型时，将金属去除率作为一个约束条件。
When establishing the optimization model, the material removal rate was set as one constrain.
设计优化数学模型时，将金属去除率作为一个约束条件。
When establishing the optimization model, the material removal rate was set as one constrain.
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