問題詳情

21. An area which cannot be scanned by the ship’s radar because it is shielded by parts of itssuperstructure, mast, etc. We call it is:
(A) Blind secretary
(B) Blind sector
(C) Shading area
(D) Shackle area

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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