Scientists experimenting on a batch of them in Hanover notice that after a limb has been amputated a layer of skin cells forms from the cells at the spot of the incision.
科学家们在汉诺威医学院对蝾螈进行了大量的实验，他们发现当它的一只腿被截断后，刀口处皮肤上的一层细胞会先开始成形。
The patients underwent routine surgery, and the mean operation time was recorded from skin discission to incision close except closed reduction.
按常规手术方式进行手术，平均手术时间从切开皮肤至关闭伤口计算，闭合复位的时间不纳入统计。
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