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