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