V2EX formal language

Formal Language

定义 Definition

“formal language”常指正式语言/书面语体(用于正式场合、学术或公文写作的表达方式,语气更严谨、词汇更规范);在计算机科学与语言学中也常指形式语言(由严格规则/语法定义的符号串集合,如正则语言、上下文无关语言等)。此处以最常见的“正式语言/正式语体”用法为主,并提示其学术含义。

发音 Pronunciation (IPA)

/fr.ml l.wd/

例句 Examples

We use formal language in business emails.
我们在商务邮件中使用正式语言。

To avoid misunderstandings in an international meeting, she chose formal language and carefully defined key terms.
为了避免在国际会议中产生误解,她使用正式语言,并仔细界定了关键术语。

词源 Etymology

formal 来自拉丁语 formalis(“与形式/规范有关的”),与 forma(“形状、形式”)相关;language 来自拉丁语 lingua(“舌头;语言”)。合起来,“formal language”字面意思是“遵循规范形式的语言/表达方式”,后来在学术语境中也发展出“由形式规则定义的语言”这一专门含义。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Noam Chomsky, Syntactic Structures(讨论语言形式化与语法理论时常出现相关表述)
  • John E. Hopcroft & Jeffrey D. Ullman, Introduction to Automata Theory, Languages, and Computation(“formal languages/形式语言”为核心术语)
  • Michael Sipser, Introduction to the Theory of Computation(系统使用“formal language(s)”讨论计算理论)
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