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