介绍的公路交通事故救援系统是一个集数据通信、数据库和地理信息系统为一体，并具有一定智能决策指挥功能的综合性集成系统平台。
This paper introduces an integrated platform in which data communication, database and GIS are integrated into one accident emergency rescuing system. The system has intelligent decision functions.
IP组播是面向组接收者的有效数据通信方式，利用一种协议将IP数据包从一个源传送到多个目的地，将信息的拷贝发送到一组地址，到达所有想要接收它的接收者处。
It's an efficient way to deliver IP data package from one source to more destination, send the copy of information to a group of address, to all the recipients at the same time.
要在两地间传输信息必须有传输信道，根据传输媒体的不同，有有线数据通信与无线数据通信之分。
In between two transmission of information must have a transmission channel, according to the different transmission media, cable and wireless data communications data communications breakdown.
应用推荐