A、relevant to
B、relate to
C、in response to
D、in relation to
更多“If no distress acknowledgement is received（）a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.”相关的问题
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
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
A、It will abort the transmission and set off an audible alarm that must be manually reset B、It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation C、It will initiate the DSC distress alert and default information will automatically be transmitted D、It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
A、It will abort the transmission and set off an audible alarm that must be manually reset B、It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation C、It will initiate the DSC distress alert and default information will automatically be transmitted D、It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
A、Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#no shut B、Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)#no shut C、Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation frame-relay Main(config-if)#authenication chap Main(config-if)#no shut D、Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ppp Main(config-if)#no shut
A、Master，or person in charge B、Chief Engineer，or engineer in charge if no chief engineer is required C、Senior mechanic，or mechanic on duty if no senior mechanic designated D、Senior electrician，or electrician on duty if no senior electrician designated
A、Resume base course and speed as your assistance is no longer required B、Acknowledge receipt and advise your course，speed，and ETA C、Relay the original distress message as no other vessel has acknowledged it D、Monitor the radiotelephone but do not transmit
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