单项选择题
Automatic identification systems (AIS) are required to（）.
A.provide safety-related information automatically to shore stations，other vessels and aircraft
B.receive safety-related information automatically from similarly equipped vessels
C.exchange safety-related information with shore-based facilities
D.All of the above
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相关考题
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单项选择题
Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT（）.
A.navigation status
B.ship's heading
C.port of origin
D.time stamp -
单项选择题
Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT（）.
A.Port of origin
B.Name of vessel
C.Course and speed over ground
D.Draft of vessel -
单项选择题
AMVER is a system which provides（）.
A.satellite communications
B.navigational information
C.weather information
D.position reporting service
