單項(xiàng)選擇題In Inmarsat-A, “Priority 3” means（）communication.

A.routine
B.distress
C.urgency
D.safety


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1.單項(xiàng)選擇題Who has permit the SES enter the system after successful commissioning?（）

A.Network
B.The CES preferred by the applicant
C.INMARSAT
D.The SES itself

2.單項(xiàng)選擇題After successful commissioning, the（）will permit the SES access to system.

A.INMARSAT
B.IMO
C.MSC
D.CES

3.單項(xiàng)選擇題During a（）period, as a newly commissioned SES, your IMN will be past to the other CESs.

A.20 hour
B.12 hour
C.24 minute
D.24 hour

4.單項(xiàng)選擇題The Inmarsat SES operator can choose the most suitable CES according to（）.

A.his service and position
B.time and course
C.tide and speed
D.type of his ship

5.單項(xiàng)選擇題The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in（）.

A.Yamaguchi, Japan
B.Beijing, China
C.Nakhodka, Russia
D.Perth, Australia