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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 船舶避碰 > 海上避碰规则

单项选择题

A vessel is in sight of another vessel when she().

    A.can be observed by radar
    B.has determined that risk of collision exists
    C.is sounding a fog signal which can be heard on the other vessel
    D.can be observed visually from the other vessel

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