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
- fishing festival
- fishing foil of Gin nationality
- fishing for cuttings
- fishing gear
- fishing gear design
- fishing gear fittings
- fishing gear materials science
- fishing gear selectivity
- fishing gear technology
- fishing ground
- fishing ground chart
- fishing ground forecasting
- fishing ground formation conditions
- fishing ground in the bank of reef
- fishing ground in the current boundary
- fishing ground in the East China Sea
- fishing ground in the eddy area
- fishing ground management
- fishing ground of Argentina
- fishing ground of Australia and New Zealand
- fishing ground of Peru
- fishing ground of Pollock in Bering Sea
- fishing ground sea-condition quick-report and forecast
- fishing grounds in Newfoundland
- fishing ground type