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