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family of confocal quadrics
meaning in Chinese
共焦二次曲面族
Related Words
confocal
confocal family
confocal quardrics
confocal hyperbola
confocal paraboloids
confocal cones
confocal ellipses
confocal parabolas
confocal hyperboloid
confocal ellipsoid
family of concentric circles
family of confocal centred conics
family of continuous mappings
family of continuous seminorms
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