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