例句與造句

1. In this case, sets of points, no three of which collinear, may exist in a finite projective plane of order and they are called "'hyperovals "'; these are maximal arcs of degree 2.
2. Equivalently, one can define maximal arcs of degree " d " in \ pi as non-empty sets of points " K " such that every line intersects the set either in 0 or " d " points.
3. It's difficult to find maximal arc in a sentence. 用maximal arc造句挺難的