由中间件完成调度中心与车载终端的通信，通过中间件对车辆信息进行了新的、统一的封装，在中间件和客户端之间采用更高层的通信协议。
The vehicle information has a new and unified encapsulation by adopting the middleware. And a higher communication protocol is adopted between the middleware and the customer terminal.
由中间件完成调度中心与车载终端的通信，通过中间件对车辆信息进行了新的、统一的封装，在中间件和客户端之间采用更高层的通信协议。
The vehicle information has a new and unified encapsulation by adopting the middleware. And a higher communication protocol is adopted between the middleware and the customer terminal.
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