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