A non-wrinkling limited graph for spherical surface parts of retiary metal sheet and metal sheet is obtained.

通过模拟得到了带孔网板和无孔板成形球面件时不起皱成形极限与板厚的关系曲线。

Retiary fibers,excretive articles and host cell with the ball villi were seen on the inner side of the cyst.

囊内面有分泌颗粒、网状纤维及绒球状宿主细胞。