名词短语
中文翻译：抛物线族
同义词：
['family of curves', 'family of hyperbolas']
例句：
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1.The family of parabolas is a curve that has two distinct branches.
抛物线族是一个有两个明显分支的曲线。
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2.The family of parabolas includes all the curves that have a vertical axis and a horizontal axis.
抛物线族包括所有具有垂直轴和水平轴的曲线。
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3.The family of parabolas is used to describe the shape of objects that are symmetrical about their center.
抛物线族用于描述对称中心为对象的形态。