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