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