However, satellite transmission scheme provides mobile network coverage at a relatively lower price, effectively making up the digital gap between the urban and rural regions.
而卫星传输方案则以较低的价格提供了移动网络覆盖，有效地弥补了城乡间的数字鸿沟。
Compared with cable digital TV and satellite digital TV, channel to the environment of terrestrial digital TV transmission system is more complex.
与有线数字电视和卫星数字电视相比，地面数字电视传输系统中的信道环境要复杂的多。
Digital microwave has become one of the three big supports (microwave, fiber and satellite) of modern information transmission.
数字微波已成为现代信息传输的三大支柱之一(微波、光纤、卫星)。
The transmission medium for a digital channel can be opticalcable, digital microwave link and satellite circuit, etc.
数字信道的传输媒体可以是光缆、数字微波、卫星信道等各种手段。
With digital group, satellite navigation, geographic information service and other functions provided by satellite communication, it achieved mobile emergency communication transmission on wheels.
以卫星通信为支撑集成数字集群、卫星导航和地理信息服务等功能，实现了车载机动应急通信传输。
With digital group, satellite navigation, geographic information service and other functions provided by satellite communication, it achieved mobile emergency communication transmission on wheels.
以卫星通信为支撑集成数字集群、卫星导航和地理信息服务等功能，实现了车载机动应急通信传输。
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