英语语法分析

Objective To Study on the immune function of Cedar pollinosis.

目的研究柳杉花粉症的免疫功能状况。

To investigate the incidence of cedar pollinosis in district of Wuhan.

目的：调查武汉城区柳杉花粉症的发病情况。

Objective To discuss the effective means to the therapy of servicemans pollinosis.

目的探讨军人花粉症治疗的有效方法。