单项选择题

The position of the POR satellite in the Inmarsat system is（）above the equator.

A.55.5W
B.64.5E
C.15.5W
D.178E

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单项选择题

There is actually an overlapped area of（）ocean regions somewhere in Western European waters.

A.two
B.three
C.more than two
D.more than three

单项选择题

The INMARSAT system has five major components, they are:（）

A.Space Segment, NCC, RCC, SES, and CES
B.Space Segment, a satellite system, C system, NCC and NCS
C.Space Segment, NCC, NCS, CES and SES
D.A system, C system, satellite system, earth stations and NCS

单项选择题

The INMARSAT consists of（）major components.

A.4
B.9
C.8
D.5