数据库 数据库管理系统及其实现技术 释文 database audit 数据库审计
- raciology
- racism
- rack
- rack and pinion hoist
- rack construction
- racked stitch
- racket threads
- rackmount device
- rack server
- rackwork
- racon
- racoondog fiber
- ractopamine
- RAD
- rad
- RADA
- Radama I reform
- radar
- radar absorbing material
- radar absorbing materials
- radar active jamming pattern
- radar altimeter
- radar ambiguity function
- radar antenna
- radar anti-jamming