与"backscattering ratio"相近的词条

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• backscattered
• backscattered Doppler ultrasound
• backscattered echoes
• backscattering
• backscattering coefficient
• backscattering ratio
• backseat
• backseat driver
• backset
• backset system
• backshaft
• backshield
• backshock
• backside
• backside attack
• backsiphon

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