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
- totally enclosed fire resisting lifeboat
- totally finite measure
- totally flat module
- totally focal submanifold
- totally geodesic
- totally geodesic hypersurface
- totally geodesic manifold
- totally geodesic submanifold
- totally hyperbolic
- totally imaginary field
- totally imperfect set
- totally imperfect space
- totally inaccessible time
- totally integrable system
- totally invariant ideal
- totally irreducible
- totally irreducible set
- totally isolated ideal
- totally isotopic quadratic form
- totally isotropic space
- totally isotropic submodule
- totally isotropic subspace
- totally multiplicative function
- totally nonhomologous to zero
- totally nonnegative matrix