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