单项选择题
Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the Chapter IV of SOLAS Convention is mainly about（）.
A.the radio regulations
B.the technical terms and definitions
C.how to operate the GMDSS SES equipment
D.Maritime Communications
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相关考题
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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 -
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
