英语语法分析

The objective is to compare the efficienty of bladder stone by extracorporeal shockwave lithotripsy (ESWL) and energetically lithotrite.

目的是比较体外震波碎石术（ESWL）与大力钳碎石术治疗膀胱结石的疗效。

It is thus an extracorporeal therapy.

因而它是一种体外疗法。

Interventions with the strongest evidence are high-dose insulin and extracorporeal life support.

高剂量胰岛素和体外生命支持干预的证据级别最高。