与"gray scale ultrasonography"相近的词条

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• gray scale system
• gray scale technique
• gray scale texture
• gray scale ultrasonic tomography
• gray scale ultrasonograph
• gray scale ultrasonography、gray-scale ultrasonography
• gray scale ultrasound
• gray selenium
• gray shade
• gray softening
• gray soil
• gray spinal syndrome
• gray squirrel
• gray substance
• gray substance of cerebrum,central
• gray substance of spinal cord

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