vacuum balance
相关英语词汇推荐
- infra-red beam folower
- visible emissivity
- intensifying screen
- optical head controllers,control ics/modules
- astrospectrograph camera
- frequency summing
- geometrical focus
- optical deformation
- mode pattern
- time-averaged shadow-moire method
- multilongitudianl-mode laser
- optical harmonic generation
- metacrystalline
- holographic gratings
- diatomic roto
- Varotal lens
- upper state relaxation
- chronophotography
- push out
- filters