早期的控制系统虽然在某种程度上能较好的解决交通问题，鉴于中国城市交通现状，这些系统也存在着一些缺憾和不足。
Those control systems can resolve urban traffic problems very well in a way, but there are defects and shortcomings by view of the status of urban traffic in our country.
论文主要分为两部分内容：城市交通出行生成现状分析和机动车出行生成研究。
The thesis consists of two parts: the actuality analysis of the traffic trip generation and the research on vehicle trip generation.
通过对城市交通的现状分析，确定开展交通规划的必要性。
Based on analysis of urban traffic, it is thought that transport in the planning is important.
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