短語詞組短語Leaf -Type Node 型節(jié)點(diǎn)non - leaf node 非葉節(jié)點(diǎn)None leaf node 是非葉節(jié)點(diǎn)leaf node containment matching 葉節(jié)點(diǎn)包容匹配leaf node production rate 葉位發(fā)生率Primary leaf node 初生葉節(jié)leaf node positions 葉位 返回 leaf node