曲面的参数表示

spherical representation of a surface representation of surface parametric representation parametric surface pictorial representation of a plan evolute of a surface genus of a closed surface prolongation of a Riemann surface directed element of a surface parallels of a surface of revolution double generator of a ruled surface spheric representation of a surface degree of a representation representation of a table representation of a game representation of a matrix representation of a group digraph representation of a structure irreducible representation of a group regular parametric representation