名词
中文翻译：南方参考星
同义词：
['southern guide star', 'southern celestial body']
例句：
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1. The southern reference star isused to determine the location of the observer's location on the Earth's surface.
南方参考星用于确定观察者在地球表面的位置。
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2. Thesouthern reference star is oftenused as a navigational aidduring long-distance travel.
南方参考星常被用作长途旅行的导航辅助。
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3. The southern reference star is also usedin astronomy and astrophysics for its unique properties.
南方参考星在天文学和天体物理学中因其独特的性质而被使用。