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