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