领域描述 meaning in English

domain description

2 . domain description tree is introduced in this paper
2 、提出了领域描述树的概念。
Domain description tree provides the method to realize the description of the component domain characters , and to record the domain changes in time for accumulating the domain knowledge
领域描述树为每个构件领域特征的描述提供了实现手段，通过它可以及时记录领域变化的情况以积累领域知识。