A.581
B.582
C.583
D.584
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A.routine
B.distress
C.urgency
D.safety
A.Network
B.The CES preferred by the applicant
C.INMARSAT
D.The SES itself
A.INMARSAT
B.IMO
C.MSC
D.CES
A.20 hour
B.12 hour
C.24 minute
D.24 hour
A.his service and position
B.time and course
C.tide and speed
D.type of his ship
最新試題
Before GMDSS, if the radio officer on board is serious ill,（）.
The priority of EGC messages is classified by（）.
The rescue coordination center may（）on stations which interfere with traffic.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
We consider（）send a helicopter with medical facilities to the distress area.
By using（）system a ship can send a distress message and know with certainty it will be received.
The vessel has stayed in port for seven days because she needs（）.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.