英语语法分析

Objective:To investigate the distribution of Ixodes persulcatus and the relation with Lyme disease.

目的：了解长白山区莱姆病传播媒介-全沟硬蜱的地理位置、分布及其病原携带情况。

The parasitic rate of Ixodes persulcatus (54, 5%) on Apodemus agrarius and the parasitic index of Dermatcentor sih'artnn (17. 8) on Eulantias sibiricus are the highest.

黑线姬鼠体全沟硬蜱幼、若蜱的寄生百分率（54.5％）和花鼠体森林革蜱幼、若蜱的寄生指数（17．8）最高。