单项选择题
A.automatically suppressed B.finished by the operator C.manually suppressed D.done again
SafetyNet is an international service for the broadcast...
单项选择题SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
A.DSC B.EPIRB C.EGC D.NBDP
Ship-to-ship distress alerting should be conducted by（）...
单项选择题Ship-to-ship distress alerting should be conducted by（）.
A.Inmarsat SES B.VHF /DSC or MF/DSC C.SART and VHF/DSC D.Satellite EPIRB and VHF /DSC
On-scene communications will normally take place betwee...
单项选择题On-scene communications will normally take place between（）.
A.ship in distress and assisting units B.NCS and RCC C.RCCs and “on-scene commander” or “coordinator surface search” D.ship in distress and coast station
