As each MSI message will have a unique identity, the pr

单项选择题

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again

相关考题

单项选择题 DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.

单项选择题 Distress and safety communications following DSC calling will be performed by radiotelephony or（）.

单项选择题 If a ship station relays a DSC distress call to an appropriate coast station, it means that（）.

GMDSS