他警告说，传统媒体-电视，电台和报纸-正在失去地面。
He warned that traditional media - television, radio and newspapers - are losing ground.
快速调谐，机载DME通过交替调谐两部地面DME电台以测得来自同一台询问机的两个距离数据的能力。
AGILITY TUNING, the capability of the DME to alternately tune between two different DME stations in order to get two distance readings from one interrogator.
这也使的一些活跃的爱好者精心挑选他们电台的方位，要考虑地面导电性，这是电台是否能高效率的另外一个重要因素。
This also makes some very active hams to select their station location... based on a GROUND CONDUCTIVITY, another important factor in station efficiency.
驼峰无线机车遥控系统是通过无线数传电台实现车载-地面通信，进而实现驼峰推峰机车控制功能的系统。
With the help of Remote Data Transceiver, Hump Radio Locomotive Telecontrol System implemented the remote communication between locomotive and ground then controls locomotive to pushing hump in yard.
地面设备通过将站场信息处理后变为车载设备所需要的信息，通过无线电台将信息发送出去。
The station information is transformed into needed information by the ground equipment to send out messages by radio.
地面设备通过将站场信息处理后变为车载设备所需要的信息，通过无线电台将信息发送出去。
The station information is transformed into needed information by the ground equipment to send out messages by radio.
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