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