单项选择题
Stations are grouped by countries arranged in the（）order of their country symbols.
A.alphabetical
B.figure
C.name of stations
D.series
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相关考题
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单项选择题
When engaged on international voyages, ships of 1600 tons gross tonnage and upwards shall be fitted with a（）.
A.radio direction-finding apparatus
B.DSC
C.NAVTEX
D.EPIRB -
单项选择题
The maritime access code of telephone mode in INMARSAT-A terminal for the AOR(W) is（）.
A.871
B.872
C.873
D.874 -
单项选择题
In Inmarsat-A, “Priority 0” means（）communication.
A.routine
B.distress
C.urgency
D.safety
