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