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