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