单项选择题
A.ITU B.IMO C.INMARSAT ORGANIZATION D.the nearest CES
An SES operator can chose the most suitable CESs accord...
单项选择题An SES operator can chose the most suitable CESs according to（）.
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
