2005年，杜克大学工程系研究生同时也是一位极具热情的吉他手，莱尔斯，用胶合板、两个螺旋、一个滑板轴承和一些备用吉他部件制作了他的第一个调音器。
In 2005, Lyles, a Duke University engineering graduate and an avid guitarist, built his first tuner out of plywood, two screws, a skateboard bearing and some spare guitar parts.
一名在北卡罗莱纳州达勒姆的杜克大学医学中心的儿科医生萨拉帕斯夸利博士，她的发现刊登在儿科期刊杂志，说情况引起种族关注。
Dr. Sara Pasquali, a pediatrician at Duke University Medical Center in Durham, North Carolina, whose findings appear in the journal Pediatrics, said that the situation raises ethical concerns.
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