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