For each term, a word block is displayed, showing the hierarchical and non-hierarchical relations to other terms: BT (broader term), NT (narrower term), RT (related term), UF (non-descriptor).

• 每个术语都含有与其他术语的上下位关系或非上下位关系,这些关系有:BT(广义词)、NT(狭义词)、RT(相关词),UF(非叙词)。