名词短语中文翻译
中文翻译：半径的头部
同义词：
['radius head', 'radius headpiece例句：1. The radius of the circle is the distance from the center to the furthest point on the circumference.（圆的半径是从中心到圆周上最远点的距离。）']
例句：
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1. The radius of the circle is the distance from the center to the furthest point on the circumference.
圆的半径是从中心到圆周上最远点的距离。
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2.The radius of the planet is the distance from the center to the furthest point on its surface.
行星的半径是从中心到其表面最远点的距离。
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3. The radius of a circle is half of its diameter.
圆的半径是直径的一半。