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文[1]介绍了圆锥曲线类准线的一个统一性质,受其启发,笔者通过探究发现,将文[1]条件中的顶点S或顶点O换成x轴上的任一点,结论仍然成立.
In [1], a unified property of the conoid quasi-line is introduced. Inspired by the author, the author finds that by replacing the vertex S or vertex O in the paper [1] with any point on the x axis, the conclusion still holds .