（）is not an alarm required by IMO standards to be available on the ECDIS.<br>A:Deviating from a planned route<br>B:Approach to waypoints and other critical points<br>C:Light house detecting<br>D:Larger scale chart available

（）is not an alarm required by IMO standards to be available on the ECDIS.
A:Deviating from a planned route
B:Approach to waypoints and other critical points
C:Light house detecting
D:Larger scale chart available

出自：海船船员证

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