丁梦琪:您读博时由于研发遭遇挫折而退学,对于这个选择您后悔过吗,或者说,事后有没有感叹要是再坚持一下或许就能成功?因为据我所知,目前电磁超声检测技术已经很成熟了。夏志敏:完全不后悔,当时没想过再坚持,之后就更没想过了。我不是轻言放弃的人。我放弃,是因为大量的实验、数不清的数据都证明, Ding Mengqi: When you read Bo due to frustration and dropped out due to research and development, for this choice you regret it, or after that there are no sigh if you insist on what may be successful? Because, as far as I know, the current electromagnetic ultrasonic testing technology is already very mature It’s Xia Zhimin: do not regret it, then did not think about perseverance, then never even thought about it. I am not a person to give up. I give up, because of a large number of experiments, countless data all prove,