单项选择题
EGC is a（）part of INMARSAT-C.
A.component
B.supportable
C.combined
D.complimentary
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相关考题
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单项选择题
Distress signal are always stored in the memory so as to start（）.
A.local-mode coverage
B.SAR operations
C.data process
D.continuous broadcast -
单项选择题
Which Inmarsat system applies store-and-forward messaging?（）
A.Inmarsat-A
B.Inmarsat-C
C.Inmarsat-B
D.Inmarsat-M -
单项选择题
（）are operated as a secondary method of alerting in the GMDSS.
A.satellite EPIRBs
B.Non-satellite EPIRBs
C.SES and DSC
