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