educational documentation

例句：

1. 1. The school library hasa vast collection of educational documentation.
   学校的图书馆收藏了大量的教育文献。
2. 2. Theteacher used the educational documentation to explain thedifficult concepts in the lesson.
   老师利用教育文献来解释课堂上的难懂概念。
3. 3. Theresearch paper was based on the educational documentationcollected from various sources.
   该研究论文基于从各种来源收集的教育文献。