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