單項(xiàng)選擇題

Ships sailing in（）are able to receive and print out EGC message.

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

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單項(xiàng)選擇題

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again

單項(xiàng)選擇題

DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.

A.Ship stations
B.Coast stations
C.NCSs
D.NCC