单词	hyperbola
释义	Hyperbola A special arch-shaped curve that follows this rule: For any point, the distances: • from that point to a fixed point (the focus), and • from that point to a fixed straight line (the directrix) are always in the same ratio. It is one of the "Conic Sections" See: Conic Section
随便看	coplanar coprime corollary correlation corresponding angles cosecant cosech cosh cosine cosine rule cot cotangent coth counterclockwise counterexample counting number covariance credit creditworthy crore cross multiply cross product cross section csch cube

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