2.航行警告電傳（NAVTEX）採用何種方式發送海事安全資訊？(A)時間分隔(B)頻率分隔(C)相位分隔(D)脈波分隔

問題詳情

2.航行警告電傳（NAVTEX）採用何種方式發送海事安全資訊？
(A)時間分隔
(B)頻率分隔
(C)相位分隔
(D)脈波分隔

參考答案

答案：A
難度：簡單0.807692
統計：A(21),B(1),C(0),D(4),E(0)

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