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