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