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