顶椎椎体生长板凸、凹侧组织学分级差异有统计学意义（<0.05）。

The histological grades were significantly different between the convex and the concave side of the growth plate in the apex vertebrae (P<0.05).

youdao

在上终椎椎体生长板凸、凹侧软骨细胞PCNA增殖指数有明显差异且有统计学意义（P<0.05）。

There was a significant difference of the proliferative potential index(proliferating cell nuclear antigen, PCNA index) between convex side and concave side at the upper end vertebra(P<0.05).

youdao

冲裁侧刃是端子模具中的重要工序，其冲裁形状和凸、凹模结构对端子生产质量影响很大。

Punching side blade is an important procedure of terminals die, its punching shape, concave die and convex die structure greatly impact the terminals on manufacture quality.

youdao