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