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