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