单项选择题
A.全球波束 B.半球波束 C.区域波束 D.点波束
A.NTC B.OCC C.NDN D.MOM
A.0086341210810# B.00412341210810# C.00872341210810# D.00873341210810#
A.008558855200# B.008658855200# C.008602158855200# D.00862158855200#
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