计算机硬件 计算机工程制造 释文 printed-circuit board, PCB 印制电路板
- 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
- galactic zone
- Galactocentric concentration
- Galactocentric distance