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