单项选择题
A.the routing agreement for a particular ocean region B.The communication service he required C.the positions of his ship and the CESs D.B and C
The NCS of INMARSAT-A system in the AOR-E is in（）.A.Goo...
单项选择题The NCS of INMARSAT-A system in the AOR-E is in（）.
A.Goonhilly, UK B.Yamaguchi, Japan C.Perth, Australia D.Southbury, USA
Each NCS woks as a type of（）, assisting controlling and...
单项选择题Each NCS woks as a type of（）, assisting controlling and monitoring telex and telephone network as quickly as possible.
A.switch operator B.communication gateway C.national operator D.on-scene commande
The position of the AOR-W satellite in the INMARSAT sys...
单项选择题The position of the AOR-W satellite in the INMARSAT system is（）above the equator.
A.64.5E B.178E C.15.5W D.54W
