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