Page 96 - 《应用声学》2019年第6期
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998                                                                                 2019 年 11 月


             为12.24 mm,经过波速补偿能有效减小缺陷的定位                            2018, 54(14): 8–15.
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             位包络成像方法可以有效减小缺陷的定位误差,经                                tion for ultrasonic total focusing method of solid directiv-
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