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