文学 语义学 释 meta-language 元语言 用来描述或指称语言的语言或符号。又称纯理语言、符号语言。与对象语言（object language）相对。
metalanguage 元语言
＞数理逻辑与数学基础＞证明论＞释义 metalanguage 元语言 metalanguage 元语言†
系统软件 语言与编译 释文 meta language 元语言
- dahe
- Dahe black pig
- Dahecun
- Dahecun Stie
- Dahe Daily
- Dahei Shan
- Daheishan Dao
- Daheishan national nature reserve
- Daheishan porphyry molybdenum deposit
- daheng
- Dahezhuang
- Da Hinggan Mountain Hanma national nature reserve
- Dahlak Archipelago
- Dahlak Marine National Park
- Dahlgren Polar Monitoring Service
- Dahlia
- Dahn Ben-Amotz
- Dahomeyan Progressive Union
- Dahomey-France Treaty
- Dahongpao
- Dahong Shan
- Dahongshan-type iron deposit
- Dahongyan Scenic and Historic Area
- Dahua Gong
- dahua huilan flower