短語詞組短語root systems morphology 根系形態(tài)root canal morphology 根管形態(tài)root system morphology 根系形態(tài)root morphology character 根系形態(tài)特征parameters of root morphology 根形態(tài)參數(shù)fine root morphology 細(xì)根形態(tài)root morphology arc 根形root morphology and architecture 根形態(tài)構(gòu)型morphology of root 根系形態(tài) 返回 root morphology