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如图,圆O的半径为定长r,A是圆O外一定点,P是圆上任意一点.线段AP的垂直平分...
如图,圆O的半径为定长r,A是圆O外一定点,P是圆上任意一点.线段AP的垂直平分线l 和直线OP相交于点Q,当点P在圆上运动时,点Q的轨迹是( )
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A.椭圆
B.圆
C.双曲线
D.直线
考点分析:
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