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