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
点击查看答案&解析
相关考题
-
单项选择题
The maritime access code of telephone mode in INMARSAT-A terminal for the IOR is（）.
A.871
B.872
C.873
D.874 -
单项选择题
When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select（）and（）you required.
A.an CES / telex mode
B.an SES telex service
C.the service /the subscriber
D.a satellite /an ocean region -
单项选择题
The maritime access code for the AOR-E is（）in INMARSAT-A Telex Service.
A.581
B.582
C.583
D.584
