个别语言和语言组的代码

[中文适用范围]： 本文件规定了 ISO 639 语言代码，并建立了语言编码的协调术语和一般原则。它为语言标识符以及语言参考名称的选择、形成、表示和使用提供了规则。它还为英语和法语语言名称的选择、形成和表示提供了规定（即原则、规则和指南）。此外，它还引入了使用英语或法语以外的语言名称采用标准化语言代码元素的规定。注：英语、法语和俄语是 ISO 的官方语言。此外，本文件还提供了语言标识符使用的指导，并描述了它们与其他代码标识符的可能组合。特别排除在 ISO 639 语言代码之外的是重构语言或形式语言，例如计算机编程语言和标记语言。附件 B）。 [外文原描述]： This document specifies the ISO 639 language code and establishes the harmonized terminology and general principles of language coding. It provides rules for the selection, formation, presentation and use of language identifiers as well as language reference names. It also gives provisions (i.e. principles, rules and guidelines) for the selection, formation and presentation of language names in English and French. Furthermore, it introduces provisions for the adoption of standardized language code elements using language names other than English or French. NOTE English, French and Russian are the official ISO languages. In addition, this document gives guidance on the use of language identifiers and describes their possible combination with identifiers of other codes. Specifically excluded from the ISO 639 language code are reconstructed languages or formal languages, such as computer programming languages and markup languages. The ISO 639 language code is maintained by the ISO 639 Maintenance Agency (ISO 639/MA) (see Annex B).