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单词 ApolloniusCircle
释义

Apollonius’ circle


Apollonius’ circle.The locus of a point moving so that the ratio of its distancesMathworldPlanetmathPlanetmath from two fixed points is fixed, is a circle.

If two circles C1 and C2 are fixed with radii r1 and r2, then the circle of Apollonius of the two centers with ratio r1/r2 is the circle whose diameterMathworldPlanetmathPlanetmathPlanetmath is the segment that the two homothety centers of the circles.

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更新时间:2025/5/4 17:57:57