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