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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上通信 > GMDSS

单项选择题

MSI stands for（）.

A.Mobile Satellite Information
B.Motor ship Identification
C.Most Serious Information
D.Maritime Safety Information

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The FEC mode is for（）from（）station to two or more other stations when available.

A.receiving messages/one station
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The SART should have sufficient battery capacity to operate in the stand-by condition for（）hours and should continuously work for（）hours.

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