英语语法分析

The parieto-occipital sulcus disappears on the 1-2 sections from the cingulate gyrus will disappear to the paracentral lobule will appear.

当大脑半球出现半卵圆中心上部时，从扣带回顶部出现到中央旁小叶即将出现的1～2个断面，为顶枕沟消失的断面。

The great difference of observed were in enlargement of physiologic blind spot (59%), downgrade of visual sensitivity (54%), and paracentral scotoma (18%).

观察病例以生理盲点扩大（59%）、视敏度下降（54%）和旁中心暗点（18%）为主。