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