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