Accessibility Hierarchy

可及性等级

In relational grammar, a term used to refer to a postulated linear series of dependencies between nominal entities, which controls the applicability of syntactic rules. In the hierarchy, each entity in the series more freely undergoes syntactic rules than the item to the right.

指一个假设的线形序列，它表示名词性成分间的依存关系并控制句法规则的适用性。在这个等级序列中，每个成分要比位于其右边的成分在使用句法规则上更为自由。