A queryfacility may be a query language or it may be an interactive process.
一个询问功能软件可以是一种询问语言或是一个相互作用的进程。
2
The user chooses from a grammar of valid alternatives, so the design is in essence a self-documenting, bounded queryfacility.
用户从有效的可替换的文法中选择，这种设计在本质上是一个自我建档的有限的查询工具。
3
This editing capability can be used in a typical "search-within-result" -like facility whereby a query predicate is further refined in successive steps by adding more restrictions.