名词
中文翻译：奥特的符号同义词
同义词：
["ott's mark", "Ott's signature"]
例句：
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1. The Ott's sign is a unique way of marking the boundary between two territories.
奥特的符号是一种独特的标记两个领土边界的方式。
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2. In ancient times, Ott's sign was used to indicate the direction of the sun.
在古代，奥特的符号用来指示太阳的方向。
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3. The discovery of Ott's sign has led to a new understanding of the solar system.
发现奥特的符号导致了对太阳系的新理解。