MAYDAY是()信号。 A、无线电传紧急B、无线电话遇险C、无线电传安全D、无线电话紧急
MAYDAY是()信号。
A、无线电传紧急
B、无线电话遇险
C、无线电传安全
D、无线电话紧急
相关考题:
International distress signal in VHF calling for help is________.A.Help,Help,HelpB.Mayday,Mayday,MaydayC.Save,Save,SaveD.Rescue,Rescue,Rescue
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.A.distress positionB.spoken words “Mayday, Mayday, Mayday”C.ship’s nameD.ship’s call letters
3、在无线电话的遇险报警中,正确的发送顺序为____。 ①遇险船名或其他识别三遍;②MAYDAY(读作法语mader)一遍;②MAYDAY(读作法语mader)三遍;④有关救助的其他信息A.①②③④B.②①③④C.②①④③D.③①②④
2、MAYDAY是____信号A.无线电传紧急B.无线电话遇险C.无线电传安全D.无线电话紧急