名词短语
中文翻译：椭球体的法线同义词
同义词：
['ellipsoidal normal vector', 'ellipsoidal normal']
例句：
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1. The shape of the planet is determined by its ellipsoidal normal vector.
行星的形状由其椭球体法线决定。
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2. The ellipsoidal normal vector is used to calculate the distance between two points on the surface of a sphere.
椭球体法线用于计算球面上两点之间的距离。
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3. In astrophysics, the ellipsoidal normal vector is crucial for understanding the motion of stars andplanets.
在天体物理学中，椭球体法线对于理解恒星和行星的运动至关重要。