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