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