These evacuation plans are generated based on spatial information and underlying road network information, and have detailed turn-by-turn instructions.
疏散方案的生成基于道路网络和空间信息，每种方案都包含非常详细的疏散描述信息。
Previous approaches mainly use network flow models to optimize evacuation routing measures.
以往研究中关于疏散组织措施的优化，多采用网络流模型。
After established the network model, the solution of the evacuation route planning problem is researched.
在完成了网络模型的建立之后，本文重点研究了疏散路径规划问题的求解方法。
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