A.distress alerting
B.communication
C.broadcasting MSI
D.on-scene communication
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A.free reception
B.free transmission
C.dedicated reception
D.dedicated transmission
A.A NAVTEX receiver
B.An EGC receiver
C.MF/HF radio telephone
D.HF radio telephone with NBDP
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
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
A.consists of
B.can be received
C.is transmitted by
D.Are made on
最新試題
Radio communication（）for many years and helps to save tens of thousands of lives.
The vessel has stayed in port for seven days because she needs（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
By using（）system a ship can send a distress message and know with certainty it will be received.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Radio beacon can be activated（）in case of distress.
On-scene communications will normally take place between（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The priority of EGC messages is classified by（）.