A.cannot
B.are no allowed
C.have the right
D.should get permission to
您可能感興趣的試卷
你可能感興趣的試題
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
A.only SAR authorities on land
B.all ships in a very large sea area
C.the nearest coast stations and port radios
D.the SAR authorities ashore as well as ships in the vicinity of the casualty
A.countries
B.states
C.names
D.groups
A.one
B.two
C.three
D.four
最新試題
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
Before GMDSS, if the radio officer on board is serious ill,（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
What following is not among the function of SOLAS ships?（）
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
（）will form the basis for distress alerting and safety calling.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
All coast radio stations（）DSC installed for VHF and HF.
SOLAS ships shall be equipped with（）.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.