With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.<br>A:Call sign and IMO number<br>B:Course over ground and MMSI<br>C:MMSI number and call sign<br>D:Route Plan and navigational status

With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.
A:Call sign and IMO number
B:Course over ground and MMSI
C:MMSI number and call sign
D:Route Plan and navigational status

出自：海船船员证

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