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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 concept of NAVTEX is of a（）system for the broadcast and reception of MSI.

A.complete service
B.partial controlled
C.quite new
D.total co-ordinated

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