例句與造句

1. The semantics differ in details, some define the languages using language equations, some draw upon ideas from the field of logic programming.
2. They have one thing in common : if the grammar is represented as a system of language equations with union, intersection, complementation and concatenation, the languages generated by the grammar must be the solution of this system.
3. It's difficult to find language equation in a sentence. 用language equation造句挺難的