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