在分析城市道路网络最短路径算法和地理信息系统（GIS）特点的基础上，提出城市紧急事件发生后，应急调度中最佳路径算法。

Based on the analysis of the shortest path algorithm in urban traffic network and the characteristics of GIS, the algorithm of optimal dispatch path when emergency incident occurs is put forward.

youdao

地理信息系统(GIS)的出现，为城市重大工业事故应急救援辅助决策提供了较好的研究方法和手段。

The appearance of geographic information system (GIS) offer better research technique and means to make policy for city major industrial incident emergency rescue.

youdao

本文介绍了《沈阳市突发性环境污染事故应急监测地理信息系统》的系统构成、事故预测模型建立和系统功能。

This paper introduced the form, foundation of model about accident predicting and function of the emergency monitoring GIS for sudden Environmental Pollution Accidents in Shenyang.

youdao