英语语法分析

Objective: To provide the anatomical basis for neurectomy of hip joint.

目的：为髋关节去神经术提供解剖学依据。

Objective: to detect the significance of promontory groove and promontory canal on tympanic neurectomy.

目的：探讨岬沟及岬骨管在鼓室神经切除术中的意义。

The vestibular neurectomy was as performed as possible by exposing the internal auditory canal for the sake of preserving hearing.

施行保留听力的前庭神经切断术时，尽可能选择暴露内耳道的术式。