最短路径分析在汽车导航系统以及各种城市应急系统中有着广泛的应用。
Shortest path analysis has been widely used in vehicle location system and city emergency systems.
许多人请求他们在其他城市的朋友用卫星导航系统设计路线和指路。
You asked your friends or family member in other cities or states to navigate you through those advance GPS technology.
研究车载导航系统在提高行车安全性、减轻驾驶者员负担等方面具有很大作用，对解决城市交通问题具有重要意义。
To study vehicle navigation system has an important effect on improving security of vehicle, reducing pressure of drivers, so plays an important role in solving transportation problems.
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