单项选择题
A.component B.supportable C.combined D.complimentary
Distress signal are always stored in the memory so as t...
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
Which Inmarsat system applies store-and-forward messagi...
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
（）are operated as a secondary method of alerting in the...
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
