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