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