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