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圆锥曲线内容是平面解析几何的核心内容,因而是高考重点考查的内容.它是高中数学的重点也是难点.这部分内容由于对数形结合、等价转化以及计算
The content of conic curve is the core content of plane analytic geometry, so it is the key point of the entrance exam.It is the key and difficult of high school mathematics.This part is due to combination of logarithm, equivalent transformation and calculation