| 释义 |
Examples:magatama (Japanese curved beads)—parametrization by arc length (of a space curve)—chord angle (i.e. angle a chord of a curve makes the tangent)—arris (curve formed by two surfaces meeting at an edge)—principal normal vector (a space curve)—inflexion point (math., a point of a curve at which the curvature changes sign)—binormal vector (a space curve)—chord (straight line joining two points on a curve)—quadratic curve (geometry)—the torsion (of a space curve)—length of a curve segment—arc length (the length of a curve segment)—isentropic curve (physics})—chord (segment of curve)— |