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