英语语法分析

Objective to study the prevention and treatment of complications after hepatectomy.

目的探讨肝部分切除术后并发症的预防和治疗。

Objective to explore the effecting factors of liver cancer recurrence after hepatectomy.

目的研究影响肝癌术后复发的集团因素及其中的主要因素。

Objective to explore the value of hepatectomy in treating benign occupied disease of the liver.

目的：探讨肝切除术在肝脏良性占位性病变治疗中的价值及特点。