| 释义 |
hy·per·bo·la
\hīˈpərbələ, -pə̄b-, -pəib-\ noun
(plural hyperbolas \-ləz\ ; or hyperbo·lae \-ˌlē, -ˌlī\)
Etymology: New Latin, from Greek hyperbolē hyperbola, excess
: a plane curve generated by a point so moving that its distance from a fixed point divided by its distance from a fixed line is a positive constant greater than 1 : a curve formed by a section of a right circular cone when the cutting plane makes a greater angle with the base than the cone's side makes
 [hyperbola: AB, CD axes; F, F' foci; xy, zw asymptotes; h, h', h'', h''' hyperbola] |