The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
本文对密
石斛等六种
科植物根的显微结构进行了比较观察。
科的,
的The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
本文对密石斛等六种科植物根的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，其表达内
代表本软件的观点；若发现问题，欢迎向我们指正。
