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
- two-dimensional vector space
- two-dimensional vorticies
- two dimensional waveguide
- two-dimension design of concentrators
- two-dimension photometry
- two dimension semiconductor
- two-dimension semiconductor
- two-dimentional electron gas
- two-disk phosphoroscope
- two-D NMR logging
- Two Dramatic Works of Li Ciming
- two-drift hypothesis
- two-ears theorem
- two electrode system
- two-electrode system
- two electron transfer
- two-electron transfer
- two element design
- two-element interferometer
- two-element intersection structural theory
- two-element radio interferometer
- two-element set
- two energy level system
- two energy-level system
- two-entrance dramatic stage