問題詳情

30.對地船速12節。
(A)The speed through water is 12 knots.
(B)The speed over ground is 12 nautical miles per hour.
(C)The drift is 12 nautical miles per hour.
(D)The speed is 12 knots related to current.

參考答案

答案：B
難度：簡單0.857143
統計：A(0),B(6),C(0),D(1),E(0)