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