General medical examination, upper respiratory tract infection, and immunization were more common among all individual diagnoses. 一般医学检查、上呼吸道感染、预防注射则为最常见之三项个别疾病诊断。
In the second part, the actuarial immunization technology has been studied from the following three aspects: ( 1) the general description of the immunization in terms of the level yield curve and the Redington actuarial immunization theory; 对水平收益率曲线下的免疫技术以及Redington精算免疫理论进行了阐述;