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