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