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椭圆、双曲线和抛物线方程一直是高考的热点,本文就如何在极坐标系中使椭圆、双曲线、抛物线方程达到统一,提出自己的观点.
Elliptic, hyperbolic and parabolic equations have always been hot spots in college entrance examination. In this paper, we put forward our own views on how to make the elliptic, hyperbolic, and parabolic equations uniform in the polar coordinate system.