开发了一套新型的三探头单纤光导探针测量系统，用于测量二维气泡速度。
An advanced measuring system with tri fiber optical probe has been developed to measure two dimensional bubble velocity.
初步试验和研究表明，相控阵超声无损检测系统比传统单探头超声无损检测具有信噪比高、缺陷分辨力强、有效探伤范围宽以及工作效率高等特点。
Preliminary test and study showed that phased array ultrasonic system was better in signal-to-noise ratio, more sensitive to defects, wider in testing range and higher in working efficiency...
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