单项选择题
A.distress alerting B.communication C.broadcasting MSI D.on-scene communication
SafetyNet is a maritime safety information broadcast se...
单项选择题SafetyNet is a maritime safety information broadcast service offering（）on suitably equipped ships.
A.free reception B.free transmission C.dedicated reception D.dedicated transmission
（）can receive MSI sent by coast station.A.A NAVTEX rece...
单项选择题（）can receive MSI sent by coast station.
A.A NAVTEX receiver B.An EGC receiver C.MF/HF radio telephone D.HF radio telephone with NBDP
Ships sailing in（）are able to receive and print out EGC...
单项选择题Ships sailing in（）are able to receive and print out EGC messages.
A.a fixed area or Navarea in any ocean region B.a Navarea or weather forecast area C.the designated area or given geographic position D.anywhere of the world
