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