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If a ship station relays a DSC distress call to an appropriate coast station, it means that().

单选题
2022-01-04 04:30
A、the ship has received the DSC distress call on a HF frequency
B、the coast station concerned has not acknowledged it within 5 minutes
C、the ship will take command of search and rescue in 5 minutes
D、A and B
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正确答案
D

试题解析

标签: GMDSS
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