理学 信息集成 释 data integration 数据集成 将不同数据源、不同数据模式的数据进行处理，从而提供统一的查询服务的过程。其将来自多个自治和异构数据源的数据，在逻辑上或物理上集成到一个数据集合中，以提供统一的访问入口。
数据库 数据库新技术 释文 data integration 数据集成
- railway transportation asset and resource
- railway transportation cost
- railway transportation development
- railway transportation plan
- railway transportation revenue
- railway transportation statistics
- railway transport capacity
- railway transport enterprise
- railway transporter for fairing
- railway transport freight tariff
- railway transport industry
- railway transport tariff
- railway transport vehicle for missile
- railway tribology
- railway tunnel maintenance
- railway unusual-soil subgrade
- railway video monitoring system
- railway water pollution prevention and control
- railway with public welfare characteristics
- RAIM
- raimod's cotton
- Raimond crater
- Raimundo Correia
- Rain
- rain