A.relevant to
B.relate to
C.in response to
D.in relation to
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A.WMO
B.IHO
C.IMO
D.WARC
A.always move slowly
B.are in one place only
C.sometime move sometime don‟t move
D.are synchronizing with the movement of the earth
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.can be overcome by using traditional techniques
B.can not be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.can not be tackled by any modern system
A.assist
B.send a rescue
C.search the distress area
D.Reach the distress position at once
最新試題
Ship-to-ship distress alerting should be conducted by（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
The rescue coordination center may（）on stations which interfere with traffic.
The vessel has stayed in port for seven days because she needs（）.
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.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
The advantage of geostationary satellites is（）.
COSPAS-SARSAT is intended to be used for（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.