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