單項選擇題

A.A ship-to-ship mode
B.A ship-to-shore mode
C.Integrated with a vessel traffic system
D.Sending out information through broadcast automatically

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A.The funnel
B.The messroom
C.The galley
D.The satellite antenna

A.synchronous rolling occurs
B.roll period decreases
C.roll period increases
D.roll amplitude is dampened