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