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