提出了利用最小费用流原理求解时间-费用优化模型的方法。
A method is proposed to solve time-cost trade-off model for activity networks by using the minimum cost flow principle.
目前，时间-费用优化问题的研究一般是在CPM网络中进行的，传统的CPM网络不符合项目进行过程中的实际情况。
At present, the study of the time-cost optimization is generally in the CPM network, and the traditional CPM network is not in line with the actual situation of the project.
多式联运路线优化问题直接关系到货物运输的费用、时间和运输质量。
Route optimization problem in multimodal transport directly influences the freightage cost, freightage time and freightage quality.
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