与"directional gain"相近的词条

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• directional Doppler probe
• directional Doppler ultrasound
• directional doppler velocity recorder
• directional effect
• directional evacuation
• directional gain
• directional gamma-ray detector
• directional gaze nystagmus
• directional hearing
• directional lighting
• directional mapping
• directional microphone
• directional movement
• directional preponderance
• directional preponderance of nystagmus
• directional preponderance response

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