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