美国华特弗利特兵工厂的Benet武器实验室的研究证明,超声与声全息摄影是无损检验复合材料及共它材料制造武器零件中裂纹与孔隙等缺陷的有效方法。特别是该厂多年来研究 The Benet Arms Laboratory at the Walter Arsenal in the United States has proved that ultrasound and acoustic holography are effective methods for the nondestructive testing of composites and their materials for the fabrication of defects such as cracks and voids in weapon parts. In particular, the plant over the years to study