英语语法分析

Objective To improve clinically recognition of the eardrum - mastoid process operation.

目的提高临床对中耳乳突手术的认识。

Objective: to observe the sizes of mastoid process and enrich the data of Chinese investigation.

目的：观察乳突大小的性别差异，丰富国人体质调查资料。

There is no evidence of a destructive process involving the mastoid air cells on the provided images.

所示图像并无证据表明乳突气房破坏。