| 释义 |
eccentric angle [ek¦sen·trik `ang·ǝl] MATHEMATICS For an ellipse having semimajor and semiminor angles of lengths a and b respectively, lying along the x and y axes of a coordinate system respectively, and for a point (x,y ) on the ellipse, the angle For a hyperbola having semitransverse and semiconjugate axes of lengths a and b respectively, lying along the x and y axes of a coordinate system respectively, and for a point (x,y ) on the hyperbola, the angle |