超声波检查: an ultrasonic examinationultrasonic flaw detectionultrasonic i ectionultrasonic inspectionultrasonic testingultrasonography (ultrasound scanning)ultrasound investigationuse
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Ultrasonics - fields - guidance for the measurement and characterization of ultrasonic fields generated by medical ultrasonic equipment using hydrophones in the frequency range 0 . 5 mhz to 15 mhz 超声波学.场.频率范围0 . 5mhz - 15mhz超声波医疗设备含水听诊器引起的超声场的特性和测量指南