名词
中文翻译：四分仪球体
同义词：
['quadrantal cone', 'quadrantal spherical例句：1. The quadrantal spheres in the sky are a marvel of engineering.（天空中的四分仪球体是工程的奇迹。）']
例句：
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1. The quadrantal spheres in the sky are a marvel of engineering.
天空中的四分仪球体是工程的奇迹。
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2.The quadrantal spheres were used to navigate ships during ancient times.
古代，四分仪球体被用于导航船只。
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3.The quadrantal spheres are now used in many scientific experiments.
现在，四分仪球体在许多科学实验中被使用。