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