The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
文对密花石斛等六种
植物根
显微结构进行了比较观察。
,花般The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
文对密花石斛等六种植物根显微结构进行了比较观察。
明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其
达内容亦不
软件观点；若发现问题，欢迎向我们指正。
