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What is meant by the term“radio silence”________．
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
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更多 “ What is meant by the term“radio silence”________．A.Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channelB.Stations remaining off the air to safeguard proprietary informationC.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 J3ED.Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic ” 相关考题
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