The way that faults on PCB are found by means of image processing and recognition technique is an excellent method, real-time, nondestructive, high-accuracy and low cost.
运用图像处理和识别技术对PCB图像进行分析，从而找出PCB上存在的缺陷是一种实时、无损、高精度和低成本的优秀方法。
When magnetic flux leakage (MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.
采用漏磁法对炮管进行无损检测时，漏磁信号中含有噪声。
Radiographic testing, an important nondestructive testing means, is widely used in size measurement of steels.
射线检测技术是一种重要的无损检测技术，目前在钢材的尺寸测量中得到了广泛的应用。
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