doubly ruled surface वाक्य
"doubly ruled surface" हिंदी में doubly ruled surface in a sentenceउदाहरण वाक्य
- These are doubly ruled surfaces of negative Gaussian curvature.
- The hyperbolic paraboloid and the hyperboloid of one sheet are doubly ruled surfaces.
- The hyperbolic paraboloid is a doubly ruled surface : it contains two families of mutually skew lines.