理学 数据库系统设计 释 semantic data model 语义数据模型 一种基于高层语义的数据库描述和结构形式，是具有较强的语义功能的模型。
数据库 数据库应用开发 释文 semantic data model 语义数据模型
- index of an operator
- index of a number
- index of a power
- index of a quadratic form
- index of a radical
- index of a recursive function
- index of a root
- index of a singular point
- index of a stable distribution
- index of a subgroup
- index of compactness
- index of connection
- index of correlation
- index of cycle
- index of diffraction
- index of dispersion
- index of diversification
- index of drilling engineering quality
- index of economic liberalization
- index of eigenvalues
- index of environmental pressure
- index of growth
- index of imprimitivity
- index of inertia
- index of irregularity