单项选择题
A.a terrestrial MF system B.a satellite communication system C.a land HF radio system D.a coastal VHF system
What language does International NAVTEX use?（）A.Russian...
单项选择题What language does International NAVTEX use?（）
A.Russian B.French C.English D.German
When the power of SART is on, it will（）.A.transmit dist...
单项选择题When the power of SART is on, it will（）.
A.transmit distress signal B.send response signal C.transmit the signal of ship‟s position D.be start by X-band radar
Distress traffic（）all messages relating to the immediat...
单项选择题Distress traffic（）all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating.
A.consists of B.is consisted of C.consisted of D.are consisted of
