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