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