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