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介绍了超声共振方法检测样品缺陷的基本原理和判断缺陷的方法 ,并通过实验进行了验证 ,实验结果与理论分析符合较好
The basic principle of ultrasonic resonance method to detect sample defects and the method to judge the defects are introduced and verified by experiments. The experimental results are in good agreement with the theoretical analysis