Then I present several communication methods between the on-board unit and station sampling computer and also management center.They are both feasible and utilizable.

 
  • 同時(shí),對數據交互方面提出了多種通信手段,從車(chē)載驗卡機到站點(diǎn)采集機,再到管理中心所采用的通信方式既可行又實(shí)用。
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