例句 /

Objective:To investigate the humoral and cellular immunity in children with mycoplasma pneumonia (MPP).

Objective:To investigate the humoral and cellular immunity in children with mycoplasma pneumonia (MPP).

目的 :了解肺炎支原体肺炎 (MPP)不同年龄患儿体液免疫及细胞免疫功能的变化及其在MPP发病机制中的作用。