Urban rail transport and surface public transit are two main parts of urban public transport system.
轨道交通与地面常规公交共同支撑着城市公共交通系统。
The Widely existing fact for both home and abroad is that the urban public transport system has duality and is undergoing management loss.
城市公共交通具有二重性并存在经营亏损是国内外普遍存在的事实。
There are several disadvantages in the existing urban public transport system, such as lacking of capacity, weather-sensitive, frequent traffic accidents, badly environment pollution and so on.
现有的城市公交系统通常存在运力不足，受天气影响大，交通事故频繁以及对环境污染大等缺点。
Like urban public transport as IC CARDS, these CARDS to the public transport system, each card key encryption to have control of the factory.
就象城市公共交通IC卡一样，这些卡在交给公交系统使用前，每张卡的密钥都要进行出厂加密控制。
Different public transport modes have different positions in the urban transit system, and also have different transport tasks.
各种公共交通方式在城市公共交通系统的定位是不同的，所承担的运输任务也不同。
With the vigorous development and rapid construction of urban rail transit, it plays a more and more important role in the public transport system in China.
随着我国大力发展和建设城市轨道交通，其在公共交通体系中所扮演的角色越来越重要。
Data modeling is a key basis to establish a GIS application system. Thus, the construction of data model of urban public transport will lay the foundation for GIS-T application in this field.
数据模型是GIS应用系统建设的核心和基础，城市公共交通行业数据模型的建立可以为GIS - T在该行业的应用奠定基础。
Therefore, the study of the public transportation system reliability on urban public transport plays an important role in the city planning.
因此，公交线网系统的可靠性研究，就成为城市公共交通规划的一个重要课题。
Therefore, the study of the public transportation system reliability on urban public transport plays an important role in the city planning.
因此，公交线网系统的可靠性研究，就成为城市公共交通规划的一个重要课题。
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