PWA-1 automatic ultrasonic phased array testing system developed in our country was introduced, and the future improvement of the system was also described.

对国内率先开发的PWA - 1型全自动相控阵超声检测系统进行了详细介绍，并对该系统的进一步开发进行了展望。

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Ultrasonic phased array testing is a new nondestructive testing technology.

相控阵超声检测技术在无损检测领域是一个新的技术手段。

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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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