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單項(xiàng)選擇題

In general, there are two parts in an SES, One of these is antenna eqipment also referred to as（）.

A.BDE
B.UDE
C.AEP
D.ADE

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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

單項(xiàng)選擇題

A mobile earth station in the maritime mobile-satellite service,which is located on board ship,is called（）.

A.an LES
B.an SES
C.a ship station
D.a Land Mobile Station

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