英语语法分析

Objective to analysis the clinic and pathological characteristics of Hymenolepiasis nana and explore the epidemiology basis lead to Hymenolepiasis nana.

目的分析微小膜壳绦虫感染人体所致病变特点及临床表现，阐明微小膜壳绦虫病发病的流行病学依据。

Combining with document reports, pathogenic factors and clinical manifestations of 6 patients with hymenolepiasis nana in Dalian area are analysed on its epidemiology.

通过对大连市6例微小膜壳绦虫感染患者的发病原因及临床表现调查，结合文献资料报道对病例进行深入探讨和分析。