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