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