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