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