数据库 数据库管理系统及其实现技术 释文 recursive query 递归查询
- galactic rotation curve
- galactic sheet
- Galactic source
- galactic space
- Galactic spiral structure
- Galactic spur
- Galactic stellar disk
- Galactic structure
- galactic structure
- Galactic subsystem
- galactic superbubble
- Galactic supernova
- galactic supernova
- Galactic supernova remnant
- Galactic System
- galactic system
- galactic thick disk
- Galactic variable
- galactic void
- galactic walls
- Galactic warp
- galactic wind
- Galactic window
- Galactic X-ray source
- Galactic year