classification theorem for surfaces造句

例句与造句

1. See the classification theorem for surfaces for more details.
2. An important theorem of topology, the classification theorem for surfaces, states that each two-dimensional compact manifold without boundary is homeomorphic to a sphere with some number ( possibly 0 ) of " handles " and 0, 1, or 2 cross-caps.
3. The classification theorem for surfaces states that every connected surface is topologically equivalent to a ) the sphere, or b ) the " n "-fold torus with " n " > 0, or c ) the connected sum of " n " projective planes ( that is, projective planes over the real numbers ) with " n " > 0.
4. It's difficult to find classification theorem for surfaces in a sentence. 用classification theorem for surfaces造句挺难的