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