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无损检测研究现状与进展河南农业大学司怀吉河南省星火技术开发公司林安秀郑州市无线电管理委员会张红无损检测（ＮＤＴ）是在不损伤材料和成员的条件上研究其内部和表面有无缺陷的手段，它利用材料内部结构的异常或缺陷的存在引起对声、光、热、电、磁等的反应特性的变化...
Non-destructive testing research status and progress Henan Agricultural University Sihuijie Henan Spark Technology Development Company Lin Anxiu Zhengzhou City Radio Management Committee Zhang Hong Nondestructive testing (NDT) is without damage to materials and members of the conditions of its internal and surface defects It utilizes the change of the reaction characteristics of sound, light, heat, electricity, magnetism and the like by utilizing the existence of an abnormality or defect in the internal structure of the material ...