英语语法分析

The dynamics both reinfection and infection rates of Ascaris lumbricoides was observed among 581 school children.

通过观察群体蛔虫再感染和感染率的动态变化，本文提出了群体驱治蛔虫的间隔时间——群治频率。

The extraction of infective larvae of Ascaris lumbricoides can induce apoptosis of human alveolar epithelia in vitro.

人蛔虫感染期幼虫提取物能够诱导人肺上皮细胞的凋亡。

Objective To study the relationship between cleanliness of children's hands and diminution of Ascaris lumbricoides infection.

目的探讨儿童手部清洁卫生与蛔虫感染之间关系。