You have to switch between the two sublanguage. 赫赫，自己捏了个不会的词儿，大家指正。
A Windows language identifier corresponds to a combination of Windows primary language and sublanguage identifiers. Windows语言标识符对应于Windows主要语言标识符和分支语言标识符的组合。
Structured Query Language (SQL), in computer science, is a database sublanguage used in querying, updating, and managing relational databases. 在计算机科学中，SQL语言（结构化查询语言）是一种用于查询、更新和管理关系数据库的数据库子语言。
We have presented how to find the supremal controllable sublanguage and the infimal closed controllable superlanguage if given a language of finite length or infinite length. 我们也提出如果给定一个具有有限长度或是无限长度的语言，该如何去找到一个比这个语言大的最小语言，同时又是可被控制的;以及该如何去找到一个比这个语言小的最大语言。
The human body language is the sublanguage information produced by the human body movements and facial expressions.This language is much richer and more profound than the verbal one. 摘要人体语言是人体动作、表情等所产生的副语言信息，这种信息比有声语言丰富得多、深刻得多。
