英语语法分析

The length of incision was about 60% of routine median sternotomy.

切口长度约为常规胸骨正中切口的60%。

Objective to investigate the skin incision of the median sternotomy.

目的探索胸骨正中劈开径路理想的皮肤切口。

In the median sternotomy group, the procedure were performed in the conventional manner.

胸骨正中切口组手术过程按常规手术步骤进行。