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