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