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