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