In ultrasonic testing, ultrasonic phased array technology and synthetic aperture focusing technique have been proved to be two kinds of effective new technologies.
在超声检测领域，超声相控阵技术和合成孔径聚焦技术已被证明是两种行之有效的新技术。
In ultrasonic testing, ultrasonic phased array technology and synthetic aperture focusing technique have been proved to be two kinds of effective new technologies.
在超声检测领域，超声相控阵技术和合成孔径聚焦技术已被证明是两种行之有效的新技术。
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