order of reflection वाक्य

उदाहरण वाक्य

1. There are an infinite number of uniform tilings based on the Schwarz triangles ( p q r ) where 1 / p + 1 / q + 1 / r < 1, where p, q, r are each orders of reflection symmetry at three points of the fundamental domain triangle, the symmetry group is a hyperbolic triangle group.