单选题
发布日期:2021-03-22
indicate the ship in distress that the alert has been received
alert ships in the area of a distress incident that a distress has occurred
inform other coast station of distress incident
repeat the distress alert in 5 minutes
标签: dsc distress relay transmitted coast
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根据UE是否知道其通过relay接入到网络,可以分为透明relay和非透明relay。
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The distress alert should()the ship in distress.