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