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
- surface functionalization of polymer materials
- surface gradient
- surface gravity
- surface grinder
- surface grinding
- surface hardness
- surface harmonic
- surface harmonic function
- surface heater
- surface heat transfer coefficient
- surface heat treatment
- surface hopping
- surface hopping model
- surface humidity resistance
- surface impedance
- surface impedance dispersion
- surface imprinting
- surface induced dissociation
- surface-induced dissociation
- surface induced dissociation (SID)
- surface-induced dissociation (SID)
- surface-initiated polymerization
- surface instability
- surface integral
- surface integral of first type