例句與造句

1. A consequence and equivalent of this property, potentially holding for Zariski dense subgroups ? of the special linear group over the integers, and in more general classes of algebraic groups " G ", is that the sequence of Cayley graphs for reductions ? " p " modulo prime numbers " p ", with respect to any fixed set " S " in ? that is a symmetric set and generating set, is an expander family.
2. It's difficult to find expander family in a sentence. 用expander family造句挺難的