The head identified as a functional category can not only satisfy the requirement of the Right Hand Head Rule, but also preserve its core information such as theta and category in the compound actually.

• 将核心确认为功能范畴,不仅可以满足复合词的右向核心规则,而且可以让核心的信息真正地在复合词中得到保留,如题元信息、畴信息等。