A、consists of
B、is consisted of
C、consisted of
D、are consisted of
更多“Distress traffic（）all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating.”相关的问题
A、urgent traffic B、distress alert C、routine traffic D、NAVTEX message
A、urgent traffic B、distress alert C、routine traffic D、NAVTEX message
A、the owners B、the charterers C、the shipper D、the vessel in distress or of the station that relays the distress message
A、Because they are not engaged in the distress traffic B、they will affect the transmission of the distress traffic C、The powers of these stations are very weak D、They are not in charge of search and rescue
A、common communication system B、distress traffic system C、basic concept of GMDSS D、SAR operation procedure
A、Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel B、Stations remaining off the air to safeguard proprietary information C、Two three-minute silent periods，at 15 and 45 minutes after the hour，that provide a transmitting "window" for distressed vessels to transmit distress alerts using J3E D、Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic
A、Switch to flag hoists B、Broadcast "Seelonce Distress" C、Broadcast "Charlie Quebec-Mayday-Quiet" D、Key the microphone three times in quick succession
A、indicate the ship in distress that the alert has been received B、alert ships in the area of a distress incident that a distress has occurred C、inform other coast station of distress incident D、repeat the distress alert in 5 minutes
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