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