A.a terrestrial MF system
B.a satellite communication system
C.a land HF radio system
D.a coastal VHF system
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A.Russian
B.French
C.English
D.German
A.transmit distress signal
B.send response signal
C.transmit the signal of ship‟s position
D.be start by X-band radar
A.consists of
B.is consisted of
C.consisted of
D.are consisted of
A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message
A.satellite and terrestrial communication systems
B.only navigational and alerting systems
C.just MSI system and locating system
D.SAR co-ordination system
最新試題
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
（）will form the basis for distress alerting and safety calling.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The priority of EGC messages is classified by（）.
The vessel has stayed in port for seven days because she needs（）.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
Ship-to-ship distress alerting should be conducted by（）.
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.
Please use（）for（）.