mastoid process造句

1、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。

2、Inflammation of the mastoid process and mastoid cells.
乳突炎，乳突小房炎

3、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。