例句 /

The purpose of this study was to compare the 2 years' efficiency of uterine artery embolization (UAE) with hysterectomy in the treatment of menorrhagia caused by uterine fibroids in a randomized controlled trial.

The purpose of this study was to compare the 2 years' efficiency of uterine artery embolization (UAE) with hysterectomy in the treatment of menorrhagia caused by uterine fibroids in a randomized controlled trial.

目的:本次研究的目的是通过随机对照实验比较子宫动脉栓塞(UAE)及子宫切除在治疗由子宫肌瘤引起的月经过多的2年有效率的高低。