徽章学

例句：

1. 1. The study of medals and their history is called medalology.
   研究勋章及其历史被称为勋章学。
2. 2. This museum specializes in the preservation and interpretation of ancient medals.
   这家博物馆专门从事古代勋章的保存和解释工作。
3. 3. In the field of medalology, there are many sub-disciplines to explore.
   在勋章学领域，有许多子领域可以探索。