A.common communication system
B.distress traffic system
C.basic concept of GMDSS
D.SAR operation procedure
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A.ship-to-shore
B.shore-to –ship
C.bridge-to-bridge
A.general radio communication
B.MSI
C.improved distress and safety communication
D.bridge-to-bridge communication
A.ITU
B.IMO
C.MSC
D.WMO
A.promote
B.improve
C.guarantee
D.both A and B
A.taking the place of the radio system
B.introducing a new life-saving system
C.saving the vessels in distress
D.improving the communication on land
最新試題
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
What following is not among the function of SOLAS ships?（）
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
On-scene communications will normally take place between（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
The priority of EGC messages is classified by（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）