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