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The safety signal used on the marine radiotelephone：Ⅰ．Consists of three repetitions of the word PAN transmitted before the call sign and name of the calling station．Ⅱ．Indicates a message concerning the safety of navigation or meteorological warnings．
A.Ⅰonly
B.Ⅱonly
C.Both Ⅰand Ⅱ
D.Neither Ⅰnor Ⅱ
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更多 “ The safety signal used on the marine radiotelephone：Ⅰ．Consists of three repetitions of the word PAN transmitted before the call sign and name of the calling station．Ⅱ．Indicates a message concerning the safety of navigation or meteorological warnings．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰnor Ⅱ ” 相关考题
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XXX
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