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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 > 航海学 > 天文航海

单项选择题

A parallax correction is NOT applied to observations of the（）.

A.stars
B.Moon
C.Sun
D.Planets

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