和原来的SGML一样，XML也是一种元语言，是定义其他语言的语法基础。
Like SGML before it, XML is a meta-language: it is a syntactic basis for defining further languages.
正式句法模式描述语法，例如生成语法，是一种元语言。
Formal syntactic models for the description of grammar, eg generative grammar, are a type of metalanguage.
语法与元语言知识的教学以及母语的正迁移作用是交际法教学中经常被忽略的问题。
Grammar and metalinguistic knowledge as well as mother tongue's positive transfer are often neglected in communicative language teaching.
语言知识的内容则包括语法知识、语用知识以及对二语习得过程具有显性化与体系化作用的元语言知识。
The components of linguistic knowledge include knowledge about grammar, pragmatics and metalinguistic knowledge, which AIDS explicit and systematic processes of second language acquisition.
其次，通过统计分析各种类型的语法隐喻在英语元语言语篇中的分布模式，探讨了语法隐喻的文体价值。
The distribution pattern of various types of grammatical metaphor in the EMT corpus is empirically investigated so that their stylistic value is revealed;
其次，通过统计分析各种类型的语法隐喻在英语元语言语篇中的分布模式，探讨了语法隐喻的文体价值。
The distribution pattern of various types of grammatical metaphor in the EMT corpus is empirically investigated so that their stylistic value is revealed;
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