曲面的内蕴性质

evolute of a surface audit of public properties parametric representation of a surface genus of a closed surface prolongation of a Riemann surface directed element of a surface spherical representation of a surface properties parallels of a surface of revolution double generator of a ruled surface intrinsic nature of goods surface of constant surface intrinsic geometry of a surface intrinsic properties desirable properties of a model intrinsic equations of a curve intrinsic equation of a curve intrinsic mechanical properties semiconductor intrinsic properties properties of estimator of a model application of a surface binode of a surface generator of a surface