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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

NAVTEX transmissions have a designed range of about（）nautical miles.

A.300
B.400
C.500
D.600

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单项选择题
The NAVTEX receiver can be mounted on（）.

A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side
单项选择题
Ships at sea are in urgent need of MSI because they are（）various kinds of danger.

A.subject for
B.liable to
C.easy to meet
D.always encounter
单项选择题
In the GMDSS, MSI broadcasts will be made on two dedicated systems:（）and（）.

A.NBDP/VHF radio
B.Inmarsat safetyNet/NAVTEX
C.Safety service / Inmarsat-A
D.Long range / short range
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