lemniscate / lɛmˈnɪs kɪt, ˈlɛm nɪsˌkeɪt, -kɪt /

🎓大学词汇庄稼人庄家庄严的庄严

lemniscate 的定义

n. 名词 noun

Analytic Geometry.

  1. a plane curve generated by the locus of the point at which a variable tangent to a rectangular hyperbola intersects a perpendicular from the center to the tangent. Equation: r2 = 2a2cosθ.