Focused on disaster prevention in place within the city park location, layout, site area, to create a pattern; evacuation road width, escape route planning, disaster relief issues.
重点讨论了城市公园内避灾场所的选址、布局、场所面积、营造模式：疏散道路的宽度、避灾救灾路线规划等问题。
Then, the road transportation system as a part of the lifeline system of city can make the significant effect of the evacuation and succor in emergency.
而道路交通作为城市生命线的一部分，对应急时的人员疏散和紧急救援都起到至关重要的作用。
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。
The urgent decision-making time, uncertainty road condition and flexibility of the destination choice are three main differences of evacuation traffic compared to normal traffic.
应急疏散交通与常态交通的不同主要表现在时间的紧迫性、路网交通流的复杂性及疏散车辆对安全点选择的灵活性三个方面。
The urgent decision-making time, uncertainty road condition and flexibility of the destination choice are three main differences of evacuation traffic compared to normal traffic.
应急疏散交通与常态交通的不同主要表现在时间的紧迫性、路网交通流的复杂性及疏散车辆对安全点选择的灵活性三个方面。
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