A、exchange
B、to exchange
C、exchanging
D、exchanged
更多“Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.”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、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、common communication system B、distress traffic system C、basic concept of GMDSS D、SAR operation procedure
A、If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available B、Channel 16 (156.8) may be used for distress messages C、It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration D、Distress messages should first be transmitted on 2182 kHz
A、Distress messages should first be transmitted on 2182 kHz B、Channel 16 (156.8 MHz) may be used for distress messages C、If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available D、It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
A、A.Distress messages should first be transmitted on 2182 kHz B、B.It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration C、C.If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available D、D.Channel 16 (156.8 MHz) may be used for distress messages
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