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根据已知条件求轨迹方程是平面解析几何研究的主要问题之一,也是高考命题的热点问题之一.纵观历年的高考题,可以发现高考对轨迹方程的考查分为两类:一类是“显性”的,即题中明确告诉你要求轨迹方程(或求某种特殊的曲线方程),这类问题,解题目标明确,解题方向容易把握;另一类是“
It is one of the main problems in the field of plane analytic geometry and one of the hot issues in the college entrance examination proposition.According to the years of college entrance examination examinations, we can find that there are two kinds of examinations for the trajectory equation: one is The “explicit”, that is, the question clearly tells you the requirements of the trajectory equation (or seek some special curve equation), such problems, a clear problem-solving objectives, easy to grasp the direction of problem-solving; the other is "