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