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