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