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