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