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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

The COSPAS-SARSAT system can provide distress alerts to the appropriate authorities（）.

A.anywhere in the world
B.at sea
C.in the air
D.ashore

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The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in（）.

A.1982
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which function is the most important one of the GMDSS.（）

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