单项选择题
A.IMO Headquarters in London B.Inmarsat Headquarters building in London C.Western European Maritime Organization D.International Maritime Safety Committee
The GMDSS defines four sea area based on the（）.A.locati...
单项选择题The GMDSS defines four sea area based on the（）.
A.location and capacity of the facilities located on board ships B.Position and type of a sincre sintion C.Capacity and location of shore based communication facilities D.Position and capacity of mobile communication stations
The position of the POR satellite in the Inmarsat syste...
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
There is actually an overlapped area of（）ocean regions ...
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
