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Transmission rules of ultrasonic at the contact interface between soil medium in farmland and ultrasonic excitation transducer

Geotechnical EngineeringEngineeringPower UltrasoundUltrasonicsCivil EngineeringTransducer PrincipleSoil MediumUltrasonic Excitation TransducerAcoustic SensorUltrasoundTransmission RulesMicromachined Ultrasonic Transducer