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单选题
IMO所定义的A3海区是指()。
A
除A1、A2海区外的南北纬70度之内的Inmarsat覆盖区域
B
除A1海区外的MF海岸电台覆盖区
C
Inmarsat静止卫星覆盖区
D
具有DSC报警功能的HF海岸电台覆盖区。
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更多 “单选题IMO所定义的A3海区是指()。A 除A1、A2海区外的南北纬70度之内的Inmarsat覆盖区域B 除A1海区外的MF海岸电台覆盖区C Inmarsat静止卫星覆盖区D 具有DSC报警功能的HF海岸电台覆盖区。” 相关考题
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