与"acoustical lens focusing"相近的词条

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• acoustical impedance method
• acoustical instruments
• Acoustical insulator
• acoustical interferometer
• acoustical lens
• acoustical lens focusing
• acoustical measurement
• acoustical meter
• acoustical noise
• acoustical ohm
• acoustical pick-up
• acoustical pickup
• acoustical radiator
• acoustical radiometer
• acoustical resistance
• acoustical signal

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