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