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