This essay discusses the pencils of lines resolution and the trajectory of what the projective pencils of lines composes, and tries to find a method for the point intersection between conic section and straight line .
本文从射影观点出发讨论圆锥曲线的线束分解和此射影线束构成的轨迹,并提出求圆锥曲线与直线交点的一种方法。
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