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