A、digital codes
B、code messages
C、norse codes
D、distress messages
更多“Digital Selective Calling means a technique using（）which which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with the relevant recommendations of the CCIR.”相关的问题
A、NAVETEX receiver B、Search and Rescue Transponder C、Emergency Position Indicating Radio Beacon D、Digital selective calling
A、NAVETEX receiver B、Search and Rescue Transponder C、Emergency Position Indicating Radio Beacom D、Digital selective calling
A、NAVETEX receiver B、Search and Rescue Transponder C、Emergency Position Indicating Radio Beacon D、Digital selective calling
A、使用Selective Color调节把C下调10% B、使用Selective Color调节把M下调10% C、使用Selective Color调节把Y下调10% D、使用Selective Color调节把K下调10%
A、DSC provides reception of weather and navigational warnings plus search and rescue information B、DSC provides low-cost，routine communications for the vessel operator C、DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio D、This aids SAR authorities in tracking a vessel's position by satellite
A、synchronous digital hierarchy B、synthesis digital hierarchy C、synchronously developed hierarchy D、synthesized development hierarchy
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