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