Surgeon Geoffrey Horne placed a metal band around the knee cap to help it knit back together.
外科医生杰弗里·霍恩在膝盖骨上放了一个金属箍以帮助其愈合。
With the changes of the knee angles, the moving track of upper and lower edge point of the knee cap is similarly a parabola;
髌骨上、下缘点随膝角变化的运动轨迹类似于抛物线形状；
With the changes of the knee angles, the moving track of upper and lower edge point of the knee cap is similarly a parabola;
髌骨上、下缘点随膝角变化的运动轨迹类似于抛物线形状；
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