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
- de la Vallée-Poussin summation
- de la Vallée-Poussin theorem
- de Laval nozzle
- deLavaud process
- Delaware Art Museum
- Delaware Park
- Delaware State
- delay
- delay ambiguity function
- delay beam
- delay cable
- delay compensation
- delay composition, delay charge
- delay differential equation
- delay distribution
- delay-Doppler mapping
- delayed
- delayed awakening from anesthesia
- delayed choice
- delayed coincidence
- delayed coking
- delayed crack
- delayed-critical
- delayed curing
- delayed decay