A.no matter where they are and what time it is
B.at scheduled time and in major ocean regions
C.at fixed time and position
D.when they get permission
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A.be responsible for
B.have an impact on
C.command
D.give a guidance to
A.identity
B.identical
C.identify
D.identification
A.cannot
B.are no allowed
C.have the right
D.should get permission to
A.receive shore-to-ship distress alerting
B.transmit ship-to-shore distress alerting
C.receive message for public correspondence
D.transmit and receive locating signals
A.the radio regulations
B.the technical terms and definitions
C.how to operate the GMDSS SES equipment
D.Maritime Communications
最新試題
Ship-to-ship distress alerting should be conducted by（）.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
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.
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.
Radio beacon can be activated（）in case of distress.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.