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