英语语法分析

The objective of postsurgical treatment was to avoid radiotherapy in children below 4 years of age.

的目的，术后治疗是放射治疗，以避免在以下的儿童4岁以下。

Emergency surgery is associated with high perioperative mortality and postsurgical shunt in up to 20% of patients.

急诊外科中患者的死亡率较高，术后病人的血液分流可达到20%。

Objective To investigate the efficacy of LowerSea point acupuncture for treating postsurgical gastroparesis syndrome.

目的观察针刺下合穴治疗术后胃瘫综合征的疗效。