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
- Three Year Action Plan for Pre-School Education
- Three-year Action Plan of Provincial Environmental Protection and Construction
- three year plan for British films
- three years of continuous drought from 1959 to 1961 in China
- Three Zaju Dramas by Kushui
- Three Zaju Poetic Dramas on the Taiping Rebellion
- Three Zhus of Jiading school
- Threlfall
- threo configuration
- threo diisotactic polymer
- threo-diisotactic polymer
- threo disyndiotactic polymer
- threo-disyndiotactic polymer
- threo isomer
- threonine
- threo-polymer
- threose
- thresher
- thresher for rice-wheat
- thresher sharks
- threshold
- threshold adjust implant
- threshold autoregressive model
- threshold autoregressive model (TAR)
- threshold Cerenkov counter