To study Vehicle Information System plays an important role in solving city transportation problems.
研究车载信息系统对解决城市交通问题具有重要意义。
Based on the public transportation element information system of the city of Guilin and the character of bus passenger travel, Guilin public transportation guiding system is designed.
基于桂林市公交基础信息系统和公交乘客出行的特点，设计开发了桂林市公交问路系统。
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