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