超过屈服点之后，材料会继续变形，但是因为材料开始屈服，应力会减小。
Beyond the yield point, the material will continue to deform, but with less stress than before, because the material has begun to yield.
当轮廓线运动到目标边界附近时，在高斯势力作用下继续变形，完成图像高层分割。
In the vicinity of object boundary, Gaussian potential force drives the contour towards boundary and high - level segmentation is implemented.
佩雷尔曼博士克服这一困难，他切断了奇点，继续运用瑞奇流并重新接合已变形的物体。
Dr Perelman overcame this difficulty by cutting off the singularities, continuing with the Ricci-flow application and then rejoining the transformed objects later.
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