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
- topocentric zenith distance
- topochemical polymerization
- topochemical reaction
- topochemical reaction; topotactic reaction
- topochemistry
- topochemistry reaction
- topochronotherm
- topoclimate
- Top of various structures adorned with representation of Hornless Dragon
- topogenic vortex
- Topogon lens
- topogon lens
- topogram
- topographical correction
- topographic(al) dictionary
- topographical projection
- topographical surface
- topographic base map
- topographic control point
- topographic coupling
- topographic database
- topographic inequality
- topographic-isostatic anomaly
- topographic map of construction site
- topographic map of urban area