Which is correct about the description of hyperbolic surface of revolution?
A、Itisadevelopablecurvedgeneratrixsurface.;
B、Itisadevelopablestraightgeneratrixsurface.;
C、Itisanondevelopablestraightgeneratrixsurface.;
D、Itisanondevelopablecurvedgeneratrixsurface.
发布时间:2025-07-10 13:19:29