attenuated poliomyelitis vaccine

例句：

1. 1. The attenuatedpoliomyelitis vaccine is acrucial component of the immunization program.
   减毒脊髓灰质炎疫苗是免疫计划的关键组成部分。
2. 2. The attenuatedpoliomyelitis vaccine hasbeen shown to be highly effective in preventingpolio.
   研究表明，减毒脊髓灰质炎疫苗在预防小儿麻痹症方面非常有效。
3. 3. The attenuatedpoliomyelitis vaccine is administeredas a series of injections to childrenunder five years old.
   减毒脊髓灰质炎疫苗作为一系列注射剂，提供给五岁以下的儿童。