Section between the golden point to the occipital, cutting a square layer by one point pivoting section, over direct both side into the centre.

在黄金点到枕骨点，用了一点放射，修剪方形层次。左右侧提拉到中间修剪。

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Methods Make in the next the middle point of the type of t slice, do away with the left side Occipital bone.

方法：在枕外隆凸下缘中点处作T字型切口，去除左侧枕骨。

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