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