短語詞組短語constituent and structure 組成與結構chemical constituent and structure 化學組成及結構constituent structure tree detail 詞組結構樹constituent structure tree 詞組結構樹constituent structure rule 成分結構律;詞組律constituent structure grammar 詞組結構語法constituent structure optimization 組成優(yōu)化structure constituent 結構組件 返回 constituent structure