名词
中文翻译：四边形
同义词：
['quadrilateral', 'quadrilateral例句：1. The quadratrix of the quadratic equation is the coefficient of the quadratic term.（二次方程的四边形系数是二次项的系数。）']
例句：
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1. The quadratrix of the quadratic equation is the coefficient of the quadratic term.
二次方程的四边形系数是二次项的系数。
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2. The quadratrix of a square is its diagonal.
正方形的四边形是它的对角线。
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3.In geometry, the quadratrix of a polygon is the diagonal of the polygon divided by the number of sides.
在几何学中，多边形的四边形是多边形的对角线除以边数。