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