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扁椭球体

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扁椭球体是极轴比赤道圈直径短的旋转对称椭球。极轴比赤道圈的直径长的旋转对称椭球称为长椭球体。

扁椭球体可由椭圆绕其短轴旋转而成,椭圆的长轴终点划过的曲线为扁椭球球体的赤道。与所有椭球体类似,扁椭球体可以由三个相互垂直的主轴来唯一表示,例如其两个赤道半长轴,和半短轴

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扁椭球体
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