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圆锥曲线的定义深刻地揭示了圆锥曲线的内涵,灵活地运用圆锥曲线的定义解题,往往可以起到事半功倍的作用.
The definition of the conic curve reveals the connotation of the conic curve profoundly, and flexibly uses the definition of the conic curve to solve problems, which can often play a multiplier role.