syntactic variable造句

例句与造句

1. If you insert a new syntactic construct, it will typically contain " placeholders " ( syntactic variables ) that can then be replaced by concrete constructs; the latter may in turn contain syntactic variables, etc . LavaPE provides a tool button for every type of syntactic construct, and a button is enabled only if it is syntactically correct to insert the associated construct at the selected place.
2. If you insert a new syntactic construct, it will typically contain " placeholders " ( syntactic variables ) that can then be replaced by concrete constructs; the latter may in turn contain syntactic variables, etc . LavaPE provides a tool button for every type of syntactic construct, and a button is enabled only if it is syntactically correct to insert the associated construct at the selected place.
3. It's difficult to find syntactic variable in a sentence. 用syntactic variable造句挺难的