词路径
- entity
- abstraction
- abstract entity
- psychological feature
- event
- act
- deed
- human action
- human activity
- activity
- representation
- pictorial representation
- picturing
- imaging
- tomography
上位词
- pictorial representation
- picturing
下位词
- MRI
- PET
- X-radiation
- X-raying
- echography
- magnetic resonance imaging
- positron emission tomography
- radiology
- radioscopy
- sonography
- ultrasonography
- ultrasound