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
- postharvest physiological disorders
- postharvest physiology
- Post-harvest Processing Machinery
- postharvest quality maintaining
- postharvest respiratory metabolism
- postheating
- post hoc test
- post house reception building
- Post-humanism
- posthumanism
- posthumous biography
- posthumous edict of former emperor
- Posthumous Title
- Posthumous Works of Huang Yi
- Posthumous Works of Mr.Shen Jiyi
- Postimpressionism
- postimpulse
- post-incident management
- postincrement
- post-industrial city
- Post information society
- post-information society
- posting
- postinjection
- postirradiation