Focusing on the function words , it recognizes all of the phrases which contain some function word , and analyzes the relationship of the phrases , to form the syntactic tree 它以語(yǔ)法功能詞為切入點(diǎn),首先識(shí)別出所有包含語(yǔ)法功能詞的短語(yǔ),然后分析短語(yǔ)之間的組合關(guān)系,最終得到句法樹(shù)。